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QA1

QA1 71-76 GM B-Body Level 2 Big Wheel Kit

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$6,239.28 $5,794.78

Fit up to 28" wheels on your Caprice or Impala with a complete bolt-in suspension system, including control arms and sway bars. It has...

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QA1

QA1 3-1/2in ID Tapered Spring - 8in Length x 600lbs/in - Chrome Plated

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$120.69

GREAT APPEARANCEQA1’s chrome coil springs offer a clean, polished look for your suspension setup. These springs are available in a variety of lengths and...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - 9in - 250lb/in - Alum

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$753.27 $702.27

QA1 Coilover Shock and Spring Packages offer a convenient, easy to order, pair of shocks and their corresponding springs. These kits combine our best-selling...

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QA1

QA1 Tube Adapter - 3/4in OD - Smooth - Left Hand - 3/8-24 Thread .065 Wall - Alloy

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$20.81

QA1's weld-in tube adapters are CNC machined to precise tolerances from special easily weldable chromoly steel. Available in a large assortment of sizes to...

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QA1

QA1 Tube Adapter - 5/8in OD - Smooth - Right Hand - 5/16-24 Thread .058 Wall - Alloy

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$20.81

QA1's weld-in tube adapters are CNC machined to precise tolerances from special easily weldable chromoly steel. Available in a large assortment of sizes to...

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QA1

QA1 Tube Adapter - 5/8in OD - Smooth - Left Hand - 5/16-24 Thread .058 Wall - Alloy

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$20.81

QA1's weld-in tube adapters are CNC machined to precise tolerances from special easily weldable chromoly steel. Available in a large assortment of sizes to...

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QA1

QA1 Linkage Rod - 5/16-24 x 4.5in Long - Carbon Steel

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$20.28

When your connection needs more adjustment, QA1's linkage rods can provide it. Made from carbon steel and protective coated for corrosion resistance, they are...

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QA1

QA1 MOD Series Coil-Over Shock Absorber - Piggyback - Left Hand - Bearing Mount - 14.875in/23.625in

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$998.67 $926.33

soft or firm compression and rebound valve packs also available. Once the desired valving is in place, the unique double adjustable design, with adjustable...

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QA1

QA1 Coil-Over Stud Top Conversion Kit (Flanged) w/MK03

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$56.98

Stud top conversion kit. Used to convert Proma Star, Ultra Ride and Aluma Matic shocks to stud top mount. Includes one stud, two bushings,...

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QA1

QA1 Pro Rear Weld-In Coil-Over System - Double Adj. - 12in x 150lbs/in - 3in Tube - Aluminum

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$1,132.15 $1,048.19

Upgrade your rear end with QA1's Pro-Rear System. Available in double adjustable, single adjustable and ride sensitive valving non-adjustable options,each adjustment has been carefully...

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QA1

QA1 Tube Adapter - 1-1/2in OD - Smooth - Right Hand - 5/8-18 Thread .250 Wall - Alloy

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$28.26

QA1's weld-in tube adapters are CNC machined to precise tolerances from special easily weldable chromoly steel. Available in a large assortment of sizes to...

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QA1

QA1 MOD Series Coil-Over Shock Absorber - Piggyback - Right Hand - Bearing Mount - 11.5in/16.875in

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$998.67 $926.33

soft or firm compression and rebound valve packs also available. Once the desired valving is in place, the unique double adjustable design, with adjustable...

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QA1

QA1 Stocker Star Series Front Shock Absorber - Double Adj. - 11.625in/16.375in - Aluminum

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$348.92 $333.10

QA1 offers stock mount, aluminum adjustable shocks available in double, single, Drag ''R'' Series and Non-adjustable valving options. With these shocks, you can get...

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QA1

QA1 MOD Series Coil-Over Shock Absorber - Piggyback - Right Hand - Bearing Mount - 14.875in/23.625in

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$998.67 $926.33

soft or firm compression and rebound valve packs also available. Once the desired valving is in place, the unique double adjustable design, with adjustable...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bushing Mount - 12.625in/18.75in

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$260.29 $252.18

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Ultra Ride Series Shock Absorber - Rebound Adj. - Bushing Mount - 12.625in/18.75in - Aluminum

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$254.74 $247.11

Custom Mount Rebound Adjustable Coil-Over Shock Absorbers For a comfortable compression setting with 18 valving options for rebound adjustment, QA1's Ultra Ride shock is...

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QA1

QA1 Ultra Ride Series Shock Absorber - Rebound Adj. - Bushing Mount - 11.625in/16.875in - Aluminum

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$254.75 $247.12

Custom Mount Rebound Adjustable Coil-Over Shock Absorbers For a comfortable compression setting with 18 valving options for rebound adjustment, QA1's Ultra Ride shock is...

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QA1

QA1 Ultra Ride Series Shock Absorber - Rebound Adj. - Bushing Mount - 10.125in/14in - Aluminum

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$254.75 $247.12

Custom Mount Rebound Adjustable Coil-Over Shock Absorbers For a comfortable compression setting with 18 valving options for rebound adjustment, QA1's Ultra Ride shock is...

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QA1

QA1 Stocker Star Series Front Shock Absorber - Double Adj. - 11.5in/16.5in - Aluminum

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$348.92 $333.10

QA1 Stocker Star Series Front Shock Absorber - Double Adj. - 11.5in/16.5in - Aluminum

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QA1

QA1 Mounting Tab - Large - Boxed Tubing - 1/2in Hole

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$36.74

QA1 offers a quality line of tabs for mounting shocks and other miscellaneous accessories. Mounting brackets are sold in kits, including (4) tabs, (2)...

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QA1

QA1 Upper Eyelet Conversion Kit - 1in Loop w/.75in Poly & Sleeves

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$38.76

Upper eyelet conversion kit. Used to convert QA1 shocks to eyelet mount. Includes one loop, one bushing, one 1/2'' sleeve and one 5/8'' sleeve....

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QA1

QA1 Eyelet Bottom Stud Conversion Kit - 1/2in Eyelet 3/8in Stud

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$34.71

Convert your eyelet (loop) bottom shocks to a stud bottom. Includes one bracket, two bolts, two washers and two nuts. Used for one shock....

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QA1

QA1 N Series Injection Molded Rod End - Male/Right Hand - .75in Bore x 3/4-16 - Carbon Steel

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$26.82

QA1's Injection Molded Carbon Steel rod ends are generally appropriate for low load, moderate oscillation applications. These PTFE Nylon 12 reinforced rod ends are...

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QA1

QA1 N Series Injection Molded Rod End - Male/Left Hand - .75in Bore x 3/4-16 - Carbon Steel

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$26.82

QA1's Injection Molded Carbon Steel rod ends are generally appropriate for low load, moderate oscillation applications. These PTFE Nylon 12 reinforced rod ends are...

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QA1

QA1 Adjustable Shock Mount Kit w/Hardware - 3in

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$112.59

QA1 has a complete adjustable shock mount kit available that makes it easy to convert one shock length to another. For all QA1 drag...

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QA1

QA1 H Series 3-Pc Rod End - Male/Right Hand - .625in Bore x 5/8-18 - Alloy Steel w/PTFE

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$44.85

QA1's HM Series rod ends are a traditional three-piece chromoly steel male rod end. These precision rod ends are heat treated, are available in...

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QA1

QA1 H Series 3-Pc Rod End - Male/Left Hand - .625in Bore x 5/8-18 - Alloy Steel w/PTFE

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$44.85

QA1's HM Series rod ends are a traditional three-piece chromoly steel male rod end. These precision rod ends are heat treated, are available in...

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QA1

QA1 EX Series Endura Rod End - Male/Left Hand - .5in Bore x 1/2-20 - Carbon Steel

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$27.81

As an economical alternative to chromoly, QA1 is the exclusive provider of carbon steel loader slot rod ends. QA1's EXM Carbon Steel Series male...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bushing Mount - 15in/23.625in - Alum

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$260.29 $252.18

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bearing Mount - 15in/23.625in - Alum

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$260.29 $252.18

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bearing Mount - 12.625in/18.75in

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$260.29 $252.18

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bushing Mount - 11.125in/15in - Alum

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$260.29 $252.18

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bushing Mount - 9.5in/12.75in - Alum

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$260.29 $252.18

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bearing Mount - 9.5in/12.75in - Alum

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$260.29 $252.18

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Double Adj. - Bushing Mount - 15in/23.625in - Alum

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$371.08 $353.34

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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QA1

QA1 Proma Star Series Coil-Over Shock Absorber - Double Adj. - Bushing Mount - 13in/19.5in- Aluminum

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$371.08 $353.34

QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension...

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Premium Performance Suspension by QA1

QA1 has established itself as a leader in high-performance automotive suspension and chassis components for over 40 years. Known for engineering precision and relentless quality control, QA1 delivers the suspension geometry and adjustability that serious enthusiasts demand. Whether you're tuning a BMW M-series, upgrading an Audi RS model, or building a complete performance platform, QA1 components provide the foundation for responsive handling and consistent performance on both street and track applications.

Why Performance Builders Choose QA1

QA1 earned its reputation by refusing to compromise on engineering standards. Their extensive product lineup includes coilover suspension systems, control arms, sway bars, and specialized chassis components designed for maximum adjustability and durability. Each product undergoes rigorous testing to ensure it meets the demands of high-horsepower builds and aggressive driving conditions. EuroPartShop stocks QA1's most popular performance upgrades, making it easy to source the exact components your project requires without settling for inferior alternatives.

Engineered for European Performance Machines

From independent double-adjustable coilovers to precision-machined suspension links, QA1 components integrate seamlessly with modern European performance platforms. Their modular design philosophy means you can upgrade incrementally, starting with suspension geometry and adding advanced chassis control as your build evolves. Many of QA1's offerings are specifically engineered to work with popular aftermarket wheels, brake packages, and powertrain upgrades common in the BMW, Audi, and Porsche communities.

Shop QA1 Performance Parts Today

Browse our current selection of 21+ QA1 products and experience the difference precision suspension engineering makes. With fast shipping and expert support from our performance specialists, upgrading your vehicle's handling characteristics has never been more accessible. Find the exact QA1 components your performance build needs and unlock the true potential of your machine.

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