Experience unparalleled suspension performance with the QA1 GS401-10500B Coilover Spring and Shock Assembly. Custom-designed for classic GM models, this kit offers adjustable ride height to ensure the perfect stance and improved handling dynamics. The single adjustable shock allows you to fine-tune the valving to complement your driving style—whether you’re cruising the streets or hitting the track. The lightweight, high travel springs are meticulously crafted with fewer coils and a smaller wire diameter, providing increased travel and reducing unsprung weight for a more responsive ride. Engineered for easy bolt-in installation, the QA1 Pro Coil System is made in America and rigorously dyno tested and serialized for unmatched quality. Whether used for street performance or intense track racing, it stands as the ultimate suspension upgrade. Ideal for professional mechanics and DIY enthusiasts alike, this kit not only enhances ride comfort and vehicle handling but also elevates your car's aesthetic with adjustable ride height capabilities.

• High travel springs with increased distance between coils
• Single adjustable shock for personalized ride tuning
• Fully threaded body for adjustable ride height
• Lightweight billet aluminum coil-over shocks
• Easy, bolt-in installation for quick setup
• Made in the USA, 100% dyno tested and serialized

Part Number:	GS401-10500B
Compressed Length:	10.13 in
Extended Length:	14 in
Spring Length:	10 in
Spring Rating:	500
Weight:	22.9 lbs
Dimensions:	25 in x 10 in x 6 in
Vehicle Compatibility:	Buick, Chevrolet, GMC, Oldsmobile, Pontiac
Proposition 65:	WARNING Cancer and Reproductive Harm

• 1968-1969 Buick Special
• 1968-1972 Pontiac GTO
• 1968-1972 Buick Skylark
• 1968-1972 Chevrolet Chevelle
• 1968-1972 Chevrolet El Camino
• 1968-1971 Oldsmobile 442
• 1968-1972 Oldsmobile Cutlass
• 1968-1972 Oldsmobile Vista Cruiser
• 1968-1972 Pontiac LeMans
• 1968-1970 Pontiac Tempest
• 1971-1972 GMC Sprint