QA1 GS401-10450C | Coilover Spring and Shock Assembly

Part Number

GS401-10450C

Optimize suspension with QA1 adjustable coilover shock assembly for GM vehicles—perfect for street, performance, and racing.

Fits what vehicles: 1973-1977 Buick Century, 1973-1988 Buick Regal, 1973 Chevrolet Chevelle, 1973-1987 Chevrolet El Camino, 1973-1976 Chevrolet Laguna, 1973-1982 Chevrolet Malibu, 1973-1988 Chevrolet Monte Carlo, 1973-1977 GMC Sprint, 1973-1981 Oldsmobile Cutlass, 1973-1977 Oldsmobile Cutlass Supreme, 1973-1975 Pontiac Grand Am, 1973-1987 Pontiac Grand Prix, 1973-1981 Pontiac LeMans, 1975 Buick Apollo, 1975-1979 Buick Skylark, 1975-1979 Chevrolet Nova, 1975-1979 Oldsmobile Omega, 1978-1980 Pontiac Grand Am, 1975-1977 Pontiac Ventura, 1985-1987 Oldsmobile Cutlass, 1977-1979 Pontiac Phoenix, 1978-1987 Pontiac Bonneville, 1981-1987 GMC Caballero, 1982-2004 Chevrolet S10, 1982-1990 GMC S15, 1982-1983 Pontiac Grand LeMans, 1988-1998 GMC C1500, 1990-1998 Chevrolet C1500, 1991-2004 GMC Sonoma, 1999-2006 Chevrolet Silverado 1500

$715.09

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Product Information

Description

Upgrade your vehicle's handling with the QA1 GS401-10450C Coilover Spring and Shock Assembly, engineered for precision and performance. This kit offers a fully adjustable ride height and valving control, making it ideal for any driving style—whether you are hitting the city streets or tearing up the racetrack. The sleek billet aluminum design combines strength and lightweight construction to improve speed and agility. Each shock assembly includes a 10-inch spring with a 450 lb rating, designed for maximum suspension travel and rapid response, thanks to its fewer coils and smaller wire diameter.Constructed in the USA, this QA1 Pro Coil System is perfect for a range of GM vehicles including popular models like the Chevrolet Monte Carlo, Pontiac LeMans, and Buick Skylark. Its easy bolt-in installation lets you transform your car's dynamics with minimal effort. Plus, its serviceable and rebuildable design ensures longevity and cost-efficient maintenance. Don't compromise on performance; choose QA1 for superior ride quality.

Features

Fully adjustable ride height and valving
High-travel springs with increased suspension response
Easy bolt-in installation for quick upgrades
Lightweight billet aluminum construction
Made in the USA for trusted quality
Serviceable and rebuildable, ensuring longevity
Compatible with multiple GM models

Specifications

Compressed Length:	8.63 inches
Extended Length:	12.88 inches
Spring Rate:	450 lbs
Weight:	27 lbs
Dimensions:	25in x 10in x 6in
California Proposition 65:	WARNING Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Finish:	Billet Aluminum
Adjustability:	Single Adjustable
Fitment:	Multiple GM Models
Installation:	Easy Bolt-In