QA1 is Circle Track Racing

Whether you race a sprint car, late model, modified or any other circle track car, suspension is critical to the handling of the vehicle. At QA1, we pride ourselves on providing shock absorbers, springs and other suspension components that are highly responsive, consistent, and the best value on the market. QA1 is also the #1 name in rod ends and spherical bearings, with the largest selection in the industry and unmatched quality.

Shock Absorbers

• Monotube Shocks
• Twin Tube Shocks

• Ball Joints
  • Press-In
  • Screw-In
  • 4-Bolt
• Rod Ends
  • Endura Racing Series
  • 3-Piece
  • 2-Piece
• Rod End Accessories
  • Swaged Tubes
  • Linkage Adjusters
  • and More

Track Tested

QA1 employs racers and passionate race personnel, and the staff at QA1 makes sure every racing product is track tested and approved before putting it into production. In addition, QA1 often works with well-known industry icons to get feedback during the prototype and testing phase. With QA1, you're getting products for racers that are engineered and tested by racers.

We have gained significant advantages over the competition thanks to the efforts of you -- the racer! We've listened to the feedback you've given us, and we will continue to keep evolving the product line to produce the highest quality products for the most economical price.

American Made

We are proud to manufacture all QA1 racer rebuildable, revalveable shocks in Lakeville, Minnesota. Our in-house engineering and manufacturing staff is second to none. We have very dedicated and passionate employees, who take pride in every QA1 product we produce.

100% Dyno Tested

Every single QA1 racer rebuildable and revalveable shock absorber is dyno tested and serialized. QA1's quality system is ISO 9001 certified to ensure that we produce a high quality, consistent, repeatable product every time. Our nearly non-existent warranty rate is a testament to the care we take with each and every shock absorber.