QA1 Precision Products

Since 1993, QA1 Precision Products has earned a reputation as one of the most trusted names in high-performance suspension and driveline components. Based in Lakeville, Minnesota, this American manufacturer has built its legacy by serving diverse markets ranging from circle track and drag racing to classic muscle car restoration and street performance applications. QA1's commitment to precision engineering and manufacturing excellence has made them the go-to choice for enthusiasts who demand both quality and adjustability from their suspension systems.

Engineering Excellence for Performance Applications

QA1's product lineup reflects decades of experience in motorsports and performance vehicle engineering. The company specializes in creating suspension solutions that offer exceptional adjustability, allowing drivers to fine-tune their vehicle's handling characteristics for specific driving conditions or track surfaces. Whether you're building a dedicated race car or upgrading a daily-driven performance vehicle, QA1 delivers components that balance comfort with control. Their engineering team continuously refines designs based on feedback from professional racers and serious enthusiasts, ensuring that every product meets the demanding standards of competitive motorsports.

Comprehensive Suspension Solutions

At the heart of QA1's catalog are their highly regarded coilover spring and shock assemblies, which combine precision-valved dampers with carefully matched springs to provide complete suspension control in a single package. These systems offer ride height adjustment and damping tuning, making them ideal for everything from autocross to road racing. For enthusiasts seeking a more complete transformation, QA1's coilover adjustable spring lowering kits provide comprehensive solutions that improve both appearance and handling dynamics.

Beyond complete coilover systems, QA1 manufactures individual shock absorbers that feature single, double, or triple-adjustable damping configurations. These shocks allow racers and tuners to dial in compression and rebound characteristics with remarkable precision, optimizing traction and stability for specific track conditions or driving styles. The company's shock technology benefits from continuous development in professional racing series, where split-second adjustments can mean the difference between winning and losing.

Chassis Components and Accessories

QA1's expertise extends beyond dampers and springs to include essential chassis components like their body bushing sets, which replace worn factory rubber with precision-engineered polyurethane or spherical bearings. These upgrades reduce deflection under load, improving steering response and overall chassis rigidity. Combined with their rod ends, spherical bearings, and fabrication components, QA1 provides everything needed to build or refresh a complete suspension system that delivers consistent, predictable handling whether on the street or track.