QA1 continuously engineers innovative, affordable, and premium-quality product solutions. From the street to the track, you can count on QA1 to deliver made-in-the-USA products for any driving style.
67-69 F-BODY & 68-72 X-BODY
QA1's one-click solution gives you everything needed to get your customer's 67-69 F-Body or 68-72 X-body project on the road—fast. We’ve combined our GM F-Body Rear 4-Link Suspension Kit with a QA1 9" rear housing for top-tier performance and easy installation.
- Complete Kit: Includes QA1’s 9" rear housing and triangulated 4-link, designed for a perfect fit in F-body and X-body vehicles.
- Adjustable Coilovers: Fine-tune your ride height and handling for a perfect stance and performance.
- Wider Wheel Fitment: Narrowed options support wider wheels and tires with mini tubs for better traction and a more aggressive look.
- Easy Serviceability: Convenient access with a dedicated fill port, drain plug, vent port, and jack plate for easy rear-end maintenance.
- Easy Installation: Bolt-in design with minimal welding required, reducing install time and effort.
1982-1992 CAMARO / FIREBIRD
Upgrading the '82-'92 GM F-Body used to be challenging with compatibility issues from mixing parts. QA1's Suspension Kits solve this by offering a complete, easy-to-install solution for upgrading Camaros or Firebirds. Designed for both street and track performance, these kits guarantee seamless performance from front to back.
- Comfort and Performance: Adjustable shocks and struts for fine tuning suspension feel and performance.
- Easy Engine & Transmission Swaps: Lightweight tubular k-member with interchangeable mounts.
- Stiffen Your Chassis: Wonder Bar and subframe connectors enhance frame rigidity.
- Easy Installation: Fully bolt-in design for a hassle-free install.
- Made in the USA: Proudly manufactured in Lakeville, Minnesota.
CHEVELLE, MALIBU, GTO, CUTLASS
Fit larger wheels on your Chevelle, Malibu, GTO, or Cutlass with a complete bolt-in suspension system. Designed for 22” wheels, this system ensures your car sits right and rides better.
- Complete bolt-in system
- Adjustable front and rear coil-overs for improved ride and stance
- Adjustable trailing arms for precise wheel fitment
- Made in the USA
CUSTOM BUILDS
Designed for the DIY enthusiast seeking a custom rear suspension solution, QA1's DIY Triangulated 4-link kits deliver professional-grade performance and handling performance in a user-friendly package. This system offers exceptional results without the hassle of building everything from scratch. High-quality, MIG-weldable components ensure a safe and well-engineered design adaptable to almost any vehicle.
1970-1981 CAMARO / FIREBIRD
Take control of your 2nd Gen F-Body's suspension with QA1's coilover and triangulated 4-link kit. Removing those bulky leaf springs allows you to experience a smoother ride, sharper handling, and a fully adjustable stance. Plus, this kit lets you fit wider wheels and tires, enhancing both performance and achieving that aggressive look.
CUSTOM BUILDS
QA1's Heavy Duty Pro Rear Drag 4-link System streamlines the fabrication process, delivering professional-grade results and performance in a convenient and easy-to-order kit all from one source. High quality, MIG-Weldable components ensure a safe and properly engineered design that can be easily adapted into many drag racing setups. Find convenience, safety, and performance all from QA1 with the HD Pro Rear Drag 4-Link.
1967-1969 CAMARO / FIREBIRD
Ditch those clunky leaf springs and take control of your F-body with QA1's coilovers and triangulated 4-link. This upgrade improves ride quality, enhances handling performance, and enables you to dial in the perfect stance. With the added benefit of accommodating wider wheels and tires, this kit is the ideal solution for your car.
2015-2020 FORD F-150
QA1 has a perfect suspension solution for 2015-2020 Ford F-150’s. These bolt-in kits are the ideal solution to achieve a lowered stance for a more aggressive look, without sacrificing ride quality. They are all-in-one solutions that provide everything you need to enhance your truck's appearance and handling.
2007-2018 CHEVY SILVERADO / SIERRA
Upgrade your 2007-2018 Silverado 1500 or Sierra 1500's suspension with the QA1 lowering kit. This system is the ideal solution to provide you with a better stance, without sacrificing ride quality. The all-in-one solution gives you everything you need to upgrade your truck's look and ride.
1979-2014 FORD MUSTANGS & 1982-1992 CAMARO
QA1 Proma Star coilover strut kits are a versatile choice for both street and race applications, thanks to custom-tailored spring rate and strut valving packages which achieve the ultimate level of ride and performance. The lightweight inverted strut design, adjustable ride height and valving bring out the best possible performance, handling, and stance.
1979-2004 FORD MUSTANGS
QA1 suspension kits for Mustangs are a complete package to refresh your worn-out and outdated suspension. Whether you own a Fox Body, SN95, or later S197 model, these kits deliver an aggressive lowered stance and enhanced performance. The bolt-on design makes installation a breeze, and the kit provides everything you need to optimize your car's handling.