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SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product. CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
SHOCKS, STRUTS & COIL-OVERS Weld-In Coil-Over Systems. QA1's custom mount rear coil-over conversion system is available in double adjustable, single adjustable and ride sensitive valving options and a variety of spring rates. Great for any hot rod, pro-street, street rod or drag car. ViewProduct.
K-MEMBERS & BRACES
Replace your heavy, bulky crossmember with our Mustang and Mopar tubular K-members. They are an ideal solution to not only shed weight but also gain significant room in the engine bay for increased exhaust clearance. Made in the USA. CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
FULL-VEHICLE KITS & SYSTEMS Classic Truck Conversion Systems. Engineered to make your truck handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. View Product.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product. QA1 F-100 SUSPENSION 3.75” narrower than a Crown Vic, so fitment of larger wheels and tires is no longer an issue. 3-7” drop (3-5" with standard height style spindles, 5-7" with 2" drop spindles) 150+ lbs lighter than stock. Bolt-in tubular design for ease of installation and strength.Adjustable coil
HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
FULL-VEHICLE KITS & SYSTEMS Classic Truck Conversion Systems. Engineered to make your truck handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. View Product. QA1 F-100 SUSPENSION 3.75” narrower than a Crown Vic, so fitment of larger wheels and tires is no longer an issue. 3-7” drop (3-5" with standard height style spindles, 5-7" with 2" drop spindles) 150+ lbs lighter than stock. Bolt-in tubular design for ease of installation and strength.Adjustable coil
SHOCKS | QA1
The 63 series is a sealed non-rebuildable version of the 62 series. It features a lightweight aluminum, threaded, one-piece body twin tube shock that will provide late model and modified drivers plenty of grip and feel on average to dry-slick dirt and asphalt tracks where traction is limited. View Product.GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, andINSTALLATION GUIDES
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. HOW TO INSTALL QA1 GM PRO COIL SHOCK SYSTEMS How to Install QA1 GM Pro Coil Shock Systems. There’s a list of reasons why people are upgrading to QA1 coil-over shocks on their cars. Improved ride quality, adjustability and ride height are just afew.
HANDLING SUSPENSION KITS Want better handling and cornering ability? Turn to QA1's handling suspension kits for the best ride that fits your needs. Available in three different levels of performance, these handling kits offer easy, bolt-in installation and seamlessly work with whatever OE component each piece attaches to. STOCK MOUNT COIL-OVER SYSTEMS Dialing in that perfect stance has never been easier. QA1's Pro Coil systems provide both ride height and valving adjustment. Whether you spend time cruising, autocrossing, pro touring, or drag racing, we have a solution that's just right for you. Made in the USA. HOW TO MEASURE FOR QA1 CUSTOM SHOCKS Simply jack the wheel and tire up to where you visually want it and start measuring from there. NOTE: There are also different sizes of eyelets and T-bar mounts. Measure both of those as well: the bolt size of the eyelet, and the overall width and bolt spacing of the T-barneeded.
QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.BUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
SHOCKS, STRUTS & COIL-OVERS Weld-In Coil-Over Systems. QA1's custom mount rear coil-over conversion system is available in double adjustable, single adjustable and ride sensitive valving options and a variety of spring rates. Great for any hot rod, pro-street, street rod or drag car. ViewProduct.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
GD402-09550
Product Description. QA1's Front Pro Coil System is designed specifically for your C5 Corvette. Every shock is 100% dyno tested and serialized, ensuring quality straight from the factory. With three spring rates to choose from, along with double adjustable, single adjustable and Drag "R" Series valving options, you are sure to findwhat you
QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.BUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
SHOCKS, STRUTS & COIL-OVERS Weld-In Coil-Over Systems. QA1's custom mount rear coil-over conversion system is available in double adjustable, single adjustable and ride sensitive valving options and a variety of spring rates. Great for any hot rod, pro-street, street rod or drag car. ViewProduct.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
GD402-09550
Product Description. QA1's Front Pro Coil System is designed specifically for your C5 Corvette. Every shock is 100% dyno tested and serialized, ensuring quality straight from the factory. With three spring rates to choose from, along with double adjustable, single adjustable and Drag "R" Series valving options, you are sure to findwhat you
SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
QA1 F-100 SUSPENSION 3.75” narrower than a Crown Vic, so fitment of larger wheels and tires is no longer an issue. 3-7” drop (3-5" with standard height style spindles, 5-7" with 2" drop spindles) 150+ lbs lighter than stock. Bolt-in tubular design for ease of installation and strength.Adjustable coil
SHOCKS | QA1
The 63 series is a sealed non-rebuildable version of the 62 series. It features a lightweight aluminum, threaded, one-piece body twin tube shock that will provide late model and modified drivers plenty of grip and feel on average to dry-slick dirt and asphalt tracks where traction is limited. View Product. CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, andINSTALLATION GUIDES
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. CIRCLE TRACK RACING BALL JOINTS Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product. HOW TO MEASURE FOR QA1 CUSTOM SHOCKS Simply jack the wheel and tire up to where you visually want it and start measuring from there. NOTE: There are also different sizes of eyelets and T-bar mounts. Measure both of those as well: the bolt size of the eyelet, and the overall width and bolt spacing of the T-barneeded.
SPACERS | QA1
Spacers are used in applications when mounting brackets are wider than the rod end ball width. High misalignment spacers are available for when more articulation is needed. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.BUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
SHOCKS, STRUTS & COIL-OVERS Weld-In Coil-Over Systems. QA1's custom mount rear coil-over conversion system is available in double adjustable, single adjustable and ride sensitive valving options and a variety of spring rates. Great for any hot rod, pro-street, street rod or drag car. ViewProduct.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
GD402-09550
Product Description. QA1's Front Pro Coil System is designed specifically for your C5 Corvette. Every shock is 100% dyno tested and serialized, ensuring quality straight from the factory. With three spring rates to choose from, along with double adjustable, single adjustable and Drag "R" Series valving options, you are sure to findwhat you
QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.BUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
SHOCKS, STRUTS & COIL-OVERS Weld-In Coil-Over Systems. QA1's custom mount rear coil-over conversion system is available in double adjustable, single adjustable and ride sensitive valving options and a variety of spring rates. Great for any hot rod, pro-street, street rod or drag car. ViewProduct.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
GD402-09550
Product Description. QA1's Front Pro Coil System is designed specifically for your C5 Corvette. Every shock is 100% dyno tested and serialized, ensuring quality straight from the factory. With three spring rates to choose from, along with double adjustable, single adjustable and Drag "R" Series valving options, you are sure to findwhat you
SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
QA1 F-100 SUSPENSION 3.75” narrower than a Crown Vic, so fitment of larger wheels and tires is no longer an issue. 3-7” drop (3-5" with standard height style spindles, 5-7" with 2" drop spindles) 150+ lbs lighter than stock. Bolt-in tubular design for ease of installation and strength.Adjustable coil
SHOCKS | QA1
The 63 series is a sealed non-rebuildable version of the 62 series. It features a lightweight aluminum, threaded, one-piece body twin tube shock that will provide late model and modified drivers plenty of grip and feel on average to dry-slick dirt and asphalt tracks where traction is limited. View Product. CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, andINSTALLATION GUIDES
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. CIRCLE TRACK RACING BALL JOINTS Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product. HOW TO MEASURE FOR QA1 CUSTOM SHOCKS Simply jack the wheel and tire up to where you visually want it and start measuring from there. NOTE: There are also different sizes of eyelets and T-bar mounts. Measure both of those as well: the bolt size of the eyelet, and the overall width and bolt spacing of the T-barneeded.
SPACERS | QA1
Spacers are used in applications when mounting brackets are wider than the rod end ball width. High misalignment spacers are available for when more articulation is needed. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on orafter 9/1/2020.
HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS Single Adjustable Shocks. Double Adjustable Shocks. Double Adjustable Shocks. Front Shocks . Compression. Rebound. Drag Racing. 0-6 Clicks. 12-18 Clicks. 0-6 ClicksRACING BALL JOINTS
QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication.XMR12 - QA1
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, and storiesBUSHING KITS
QA1 Bushing Kit. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. Part #B6031K This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro CoilSystem shock.
GD402-09550
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on orafter 9/1/2020.
HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS Single Adjustable Shocks. Double Adjustable Shocks. Double Adjustable Shocks. Front Shocks . Compression. Rebound. Drag Racing. 0-6 Clicks. 12-18 Clicks. 0-6 ClicksRACING BALL JOINTS
QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication.XMR12 - QA1
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, and storiesBUSHING KITS
QA1 Bushing Kit. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. Part #B6031K This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro CoilSystem shock.
GD402-09550
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing. QA1 F-100 SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, and stories CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
SHOCKS | QA1
The 63 series is a sealed non-rebuildable version of the 62 series. It features a lightweight aluminum, threaded, one-piece body twin tube shock that will provide late model and modified drivers plenty of grip and feel on average to dry-slick dirt and asphalt tracks where traction is limited.INSTALLATION GUIDES
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. HOW TO INSTALL QA1 GM PRO COIL SHOCK SYSTEMS How to Install QA1 GM Pro Coil Shock Systems. There’s a list of reasons why people are upgrading to QA1 coil-over shocks on their cars. Improved ride quality, adjustability and ride height are just afew.
HOW TO MEASURE FOR QA1 CUSTOM SHOCKS The most common question we receive in the tech department every single day is, “Does QA1 make shocks for my (XYZ) vehicle?” And the simplest answer is”We probably do!”SPACERS | QA1
Spacers are used in applications when mounting brackets are wider than the rod end ball width. High misalignment spacers are available for when more articulation is needed. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.BUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 MOPAR SUSPENSION QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.BUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
SHOCKS | QA1
The 63 series is a sealed non-rebuildable version of the 62 series. It features a lightweight aluminum, threaded, one-piece body twin tube shock that will provide late model and modified drivers plenty of grip and feel on average to dry-slick dirt and asphalt tracks where traction is limited. View Product. QA1 F-100 SUSPENSION 3.75” narrower than a Crown Vic, so fitment of larger wheels and tires is no longer an issue. 3-7” drop (3-5" with standard height style spindles, 5-7" with 2" drop spindles) 150+ lbs lighter than stock. Bolt-in tubular design for ease of installation and strength.Adjustable coil
GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, andINSTALLATION GUIDES
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
CIRCLE TRACK RACING BALL JOINTS Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product. HOW TO INSTALL QA1 GM PRO COIL SHOCK SYSTEMS How to Install QA1 GM Pro Coil Shock Systems. There’s a list of reasons why people are upgrading to QA1 coil-over shocks on their cars. Improved ride quality, adjustability and ride height are just afew.
HOW TO MEASURE FOR QA1 CUSTOM SHOCKS Simply jack the wheel and tire up to where you visually want it and start measuring from there. NOTE: There are also different sizes of eyelets and T-bar mounts. Measure both of those as well: the bolt size of the eyelet, and the overall width and bolt spacing of the T-barneeded.
QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, and storiesBUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
ROD ENDS | QA1
Rod Eyes/Solid Rod Ends. Also known as a solid rod end, these are used when side-to-side misalignment is not required. QA1’s standard rod eyes are designed with carbon steel and a protective coating for corrosion resistance. View Product. CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTY QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, and storiesBUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
ROD ENDS | QA1
Rod Eyes/Solid Rod Ends. Also known as a solid rod end, these are used when side-to-side misalignment is not required. QA1’s standard rod eyes are designed with carbon steel and a protective coating for corrosion resistance. View Product. CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
SHOCKS | QA1
The 63 series is a sealed non-rebuildable version of the 62 series. It features a lightweight aluminum, threaded, one-piece body twin tube shock that will provide late model and modified drivers plenty of grip and feel on average to dry-slick dirt and asphalt tracks where traction is limited. View Product. QA1 F-100 SUSPENSION 3.75” narrower than a Crown Vic, so fitment of larger wheels and tires is no longer an issue. 3-7” drop (3-5" with standard height style spindles, 5-7" with 2" drop spindles) 150+ lbs lighter than stock. Bolt-in tubular design for ease of installation and strength.Adjustable coil
DRIVESHAFTS
Designed for up to 1500 HP with a max rated torque of 1000 lb*ft, these carbon fiber driveshafts fit 2015-2018 Challenger R/T, 392, and Scat Pack models with automatic or manual transmissions, as well as 2015-2018 SRT Hellcat models with manual transmissions.SPRINGS | QA1
Springs for shocks for muscle cars, hot rods, and classic trucks. Lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions. SHOCKS, STRUTS & COIL-OVERS Weld-In Coil-Over Systems. QA1's custom mount rear coil-over conversion system is available in double adjustable, single adjustable and ride sensitive valving options and a variety of spring rates. Great for any hot rod, pro-street, street rod or drag car. ViewProduct.
CIRCLE TRACK RACING BALL JOINTS Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
HOW TO INSTALL QA1 GM PRO COIL SHOCK SYSTEMS How to Install QA1 GM Pro Coil Shock Systems. There’s a list of reasons why people are upgrading to QA1 coil-over shocks on their cars. Improved ride quality, adjustability and ride height are just afew.
QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTYMONROE LIMITED LIFETIME WARRANTYZAGG LIMITED LIFETIME WARRANTYCASIO G SHOCK WARRANTYLIMITED LIFETIME REPLACEMENTLIMITED LIFETIME WARRANTY DEFINITIONWHAT DOES LIMITED LIFETIME WARRANTY MEANS QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, and storiesBUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
ROD ENDS | QA1
Rod Eyes/Solid Rod Ends. Also known as a solid rod end, these are used when side-to-side misalignment is not required. QA1’s standard rod eyes are designed with carbon steel and a protective coating for corrosion resistance. View Product. CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below. QA1 HIGH PERFORMANCE SHOCKS, SUSPENSION, DRIVESHAFTS & RODGM PRODUCTSSUSPENSIONDRIVESHAFTSROD ENDS & BALL JOINTSFULL-VEHICLE KITS &SYSTEMS
QA1 provides performance shock absorbers, suspension, driveshafts, rod end bearings, ball joints and more for circle track, drag racing, street performance, street rodding and industrial markets. QA1 DEBUTS LIMITED LIFETIME SHOCK WARRANTYMONROE LIMITED LIFETIME WARRANTYZAGG LIMITED LIFETIME WARRANTYCASIO G SHOCK WARRANTYLIMITED LIFETIME REPLACEMENTLIMITED LIFETIME WARRANTY DEFINITIONWHAT DOES LIMITED LIFETIME WARRANTY MEANS QA1 is excited to announce the launch of its new limited lifetime warranty program. Offered on many of the most popular shock lines, the limited lifetime warranty can be applied to shocks purchased on or after 9/1/2020. A leader in shocks and performance products for nearly 30 years, QA1 has always had a commitment to quality.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.RACING BALL JOINTS
Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.GODRIVEIT - QA1
What is #goDRIVEit? To encourage more people to get out and drive their vehicles, we're using this call-to-action hashtag. Clicking the #goDRIVEit hashtag in any of our posts or searching it on social media is an easy way to see all of the vehicle photos, videos, and storiesBUSHING KITS
Bushing Kits. QA1 offers bushing kits for our drag racing, street performance and street rod shocks. This kit consists of (2) two-piece urethane bushings, (2) 1/2" sleeves, and (2) 5/8" sleeves to fit on a Proma Star, Ultra Ride, Aluma Matic or Pro Coil System shock. Order (1) per shock. This bushing kit includes (2) two-piece bushings. HOW TO DETERMINE YOUR VALVING ON QA1 SHOCKS If you have one knob, the adjustment will be for either the rebound only or rebound and compression simultaneously. Moving the piston rod in and out by hand will quickly identify which shock you have. If you have two knobs, compression and rebound will be independentlyadjusted.
CLASSIC TRUCK CONVERSION SYSTEMS Engineered to make your C10, C1500, or F-100 handle while giving you ride height adjustability to dial in the perfect stance, these front and rear coil-over conversions overhaul your suspension to add modern-day performance and driveability into your classic pickup. Madein the USA.
ROD ENDS | QA1
Rod Eyes/Solid Rod Ends. Also known as a solid rod end, these are used when side-to-side misalignment is not required. QA1’s standard rod eyes are designed with carbon steel and a protective coating for corrosion resistance. View Product. CALCULATING SPRING RATE FOR QA1 STOCK MOUNT COIL-OVER SYSTEMS Choosing a spring rate for a QA1 stock mount coil-over system (also called Pro Coils or direct-fit coil-overs) is easy! This cataloged coil-over kit for your vehicle has already gone through the R&D process and the spring length has been determined, so choosing a spring rate is simply a matter of matching the vehicle weight to our available spring rate charts below.SUSPENSION | QA1
Full-vehicle suspension kits, shocks, coil-overs, springs, and accessories for muscle cars, hot rods and classic trucks, for everything from cruising to drag racing.QA1 C10 SUSPENSION
1963-1987 C10 Coil-Over Conversion Systems. Add modern performance to a pickup that was designed for utility. With QA1’s bolt-on front and rear systems, not only can you lower your C10, but you’ll also have ride height adjustability on all four corners, giving you that perfectlevel stance.
SHOCKS | QA1
The 63 series is a sealed non-rebuildable version of the 62 series. It features a lightweight aluminum, threaded, one-piece body twin tube shock that will provide late model and modified drivers plenty of grip and feel on average to dry-slick dirt and asphalt tracks where traction is limited. View Product. QA1 F-100 SUSPENSION 3.75” narrower than a Crown Vic, so fitment of larger wheels and tires is no longer an issue. 3-7” drop (3-5" with standard height style spindles, 5-7" with 2" drop spindles) 150+ lbs lighter than stock. Bolt-in tubular design for ease of installation and strength.Adjustable coil
DRIVESHAFTS
Designed for up to 1500 HP with a max rated torque of 1000 lb*ft, these carbon fiber driveshafts fit 2015-2018 Challenger R/T, 392, and Scat Pack models with automatic or manual transmissions, as well as 2015-2018 SRT Hellcat models with manual transmissions.SPRINGS | QA1
Springs for shocks for muscle cars, hot rods, and classic trucks. Lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions. SHOCKS, STRUTS & COIL-OVERS Weld-In Coil-Over Systems. QA1's custom mount rear coil-over conversion system is available in double adjustable, single adjustable and ride sensitive valving options and a variety of spring rates. Great for any hot rod, pro-street, street rod or drag car. ViewProduct.
CIRCLE TRACK RACING BALL JOINTS Ball Joint Sleeves. QA1 offers a threaded ball joint press-in sleeve to convert screw-in ball joints to a press-in ball joint with 2.185" O.D., two threaded ball joint weld-in sleeves for large and small Mopar style thread, and a weldable upper ball joint housing for upper control arm fabrication. View Product.XMR12 - QA1
These heavy duty rod ends are commonly used on 4-link and ladder bars for their strength and durability. XM Series rod ends are completely self-sealing and self-lubricating because of their Nylon/PTFE injection molded race that keeps dirt and debris out. The ball is made of 52100 bearing steel that has been heat treated, hard chrome platedand
HOW TO INSTALL QA1 GM PRO COIL SHOCK SYSTEMS How to Install QA1 GM Pro Coil Shock Systems. There’s a list of reasons why people are upgrading to QA1 coil-over shocks on their cars. Improved ride quality, adjustability and ride height are just afew.
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New F-100 Systems Modernize Pickup DriveabilityQA1 IN THE MEDIA
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YOUR SUSPENSION, DRIVESHAFT AND ROD END EXPERTS QA1 specializes in providing performance shock absorbers, suspension components, driveshafts, rod ends, spherical bearings, springs, ball joints and more for a variety of markets, including circle track racing; drag racing; street performance; and street rodding, as well as several industrial markets. Learn more.GM PRODUCTS
QA1 offers a wide range of products for GM applications, including shocks, struts, suspension components and driveshafts.Learn More
FORD PRODUCTS
QA1 offers a wide range of products for Ford applications, including shocks, struts, suspension components and driveshafts.Learn More
MOPAR PRODUCTS
QA1 offers a wide range of products for Mopar applications, including shocks, suspension components and driveshafts.Learn More
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QA1 has over 83,000 square feet of manufacturing space in Lakeville, Minnesota with a variety of state-of-the-art equipment.Learn More
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We have a complete staff of engineers dedicated to new product development, providing the latest in high performance technology.Learn More
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Certified to the ISO 9001:2008 standard, QA1’s strict quality system ensures that our products are of the highest quality.Learn More
LATEST PRODUCT RELEASES We are always releasing new products throughout the year. See what’s new and check back often for the latest from QA1.Learn More
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* News
* Events
* Media/Articles
* Contingency Programs* Dealer Program
* Careers
* Customer Vehicles
* QA1 Logos
* Suspension
* Shock Technology
* Street Performance & Racing Twin Tube Shocks * Circle Track Twin Tube vs Monotube Shocks* Adjustability
* Deflective Disc Valving * High Performance Pistons * Three Step Sealing System * Rebuildable & Revalveable * Street Performance & Racing Shocks, Struts & Pro Coil Systems * Custom Mount Shocks * Stocker Star Non-Coil-Over Shocks * Front Stock Mount Coil-Over Shocks * Front Stock Mount Struts * Front Pro Coil Shock Systems * Front Pro Coil Strut Systems * Rear Stock Mount Coil-Over Shocks * Rear Pro Coil Shock Systems * Street Performance & Racing Accessories * Coil-Over Kits & Components * Shock Mount Accessories * Street Performance & Racing Suspension Components * Suspension Conversion Systems* Control Arms
* K-Members & Braces * Adjustable Frame Supports* Panhard Bars
* Torque Arms
* Rear Anti-Hop Bars * Strut Tower Braces* Tubular Braces
* Trailing Arms & Accessories* Sway Bars
* Dynamic Strut Bars* Bump Steer Kits
* Heavy Duty Tie Rod Sleeves * Adjustable Rear Toe Links * Torsion Bar Adjusters * Camber Bolt Adjusters * Transmission Crossmembers * Drag Racing Suspension Kits * GM Drag Racing Kits * Ford Drag Racing Kits * Mopar Drag Racing Kits * Handling Suspension Kits* GM Handling Kits
* Ford Handling Kits * Mopar Handling Kits * Circle Track Shocks * Bearing Mount Shocks * Stock Mount Shocks * Circle Track Shock Accessories* Springs
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* Driveshafts
* Carbon Fiber Driveshaft Technology * Benefits of a QA1 Carbon Fiber Driveshaft * Engineering & Manufacturing Process * QA1 Driveshafts vs The Competition * Street Performance & Racing Driveshafts * Circle Track Driveshafts * Industrial Driveshafts * Driveshaft Design Considerations * How to Order a Custom Driveshaft * What's My Transmission & Slip Yoke? * What's My Rear Attachment? * How Do I Measure My Driveshaft? * Racer & Driver Approved * Rod Ends & Related* Rod Ends
* Endura Series Rod Ends* 2-Piece Rod Ends
* 3-Piece Rod Ends
* Bronze Race Rod Ends * Injection Molded Rod Ends * Spherical Bearings * Ball Joint Linkages * Rebuildable Bearing Rock Ends* Clevises
* Rod Eyes/Solid Rod Ends* Tube Adapters
* Weld-On Wrench Hexes* Jam Nuts
* Spacers
* Linkage Adjusters
* Swaged Tubes
* Custom
* Tech
* Street Performance & Racing Suspension Tech & Tips * Street Performance & Racing FAQs * Street Performance & Racing Suspension Installation Guides * Street Performance & Racing Spring Rate Tech & Tips * Circle Track Suspension Tech & Tips* Circle Track FAQs
* Circle Track Suspension Installation Guides * Carbon Fiber Driveshaft FAQs * Carbon Fiber Driveshaft Installation Guides * Rod End & Spherical Bearing Tech * Shock Service & Tuning Centers* QA1 Gear
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