QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 550lbs/in - Flat Large - Aluminum

These QA1 GM Pro Coil Systems are a great option for anyone looking for fully adjustable ride height and valving control. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match and you are on your way. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Specially designed for QA1's Pro Coil Systems, the American-made lightweight high travel springs have fewer coils and a smaller wire diameter, resulting in increased travel due to the larger distance between the coils. They reduce unsprung weight and react faster, optimizing suspension performance. Multiple spring rate options are also available and have been successfully tested in various applications, from casual street driving to hard core race applications. Adjustable Pro Coil System Features: Available in independent compression and rebound double adjustable, simultaneou

Vehicle Fitment

• 1975 Buick Apollo
• 1973-1974 Buick Century
• 1975-1977 Buick Century
• 1975 Buick Century
• 1976 Buick Century
• 1977 Buick Century
• 1973-1974 Buick Regal
• 1975-1979 Buick Regal
• 1975-1977 Buick Regal
• 1976-1977 Buick Regal
• 1977-1983 Buick Regal
• 1977 Buick Regal
• 1978-1987 Buick Regal
• 1978-1979 Buick Regal
• 1978-1983 Buick Regal
• 1978-1982 Buick Regal
• 1981 Buick Regal
• 1982-1984 Buick Regal
• 1982-1983 Buick Regal
• 1982-1985 Buick Regal
• 1982 Buick Regal
• 1983-1986 Buick Regal
• 1984-1987 Buick Regal
• 1985-1987 Buick Regal
• 1986-1987 Buick Regal
• 1987 Buick Regal
• 1988 Buick Regal
• 1975-1977 Buick Skylark
• 1975-1979 Buick Skylark
• 1975-1976 Buick Skylark
• 1976-1977 Buick Skylark
• 1976-1979 Buick Skylark
• 1976 Buick Skylark
• 1978-1979 Buick Skylark
• 1978 Buick Skylark
• 1973 Chevrolet Chevelle
• 1973-1974 Chevrolet El Camino
• 1973-1987 Chevrolet El Camino
• 1973 Chevrolet El Camino
• 1975-1977 Chevrolet El Camino
• 1977 Chevrolet El Camino
• 1977-1978 Chevrolet El Camino
• 1978-1987 Chevrolet El Camino
• 1978-1984 Chevrolet El Camino
• 1978 Chevrolet El Camino
• 1979-1981 Chevrolet El Camino
• 1980-1984 Chevrolet El Camino
• 1981-1986 Chevrolet El Camino
• 1981-1984 Chevrolet El Camino
• 1983-1987 Chevrolet El Camino
• 1978-1981 Chevrolet Malibu
• 1978-1982 Chevrolet Malibu
• 1978-1980 Chevrolet Malibu
• 1979-1980 Chevrolet Malibu
• 1979 Chevrolet Malibu
• 1973-1974 Chevrolet Monte Carlo
• 1973 Chevrolet Monte Carlo
• 1975-1977 Chevrolet Monte Carlo
• 1976 Chevrolet Monte Carlo
• 1978-1981 Chevrolet Monte Carlo
• 1978 Chevrolet Monte Carlo
• 1979 Chevrolet Monte Carlo
• 1980 Chevrolet Monte Carlo
• 1981-1988 Chevrolet Monte Carlo
• 1981-1984 Chevrolet Monte Carlo
• 1983 Chevrolet Monte Carlo
• 1983-1988 Chevrolet Monte Carlo
• 1986-1988 Chevrolet Monte Carlo
• 1975-1979 Chevrolet Nova
• 1975 Chevrolet Nova
• 1975-1978 Chevrolet Nova
• 1976-1977 Chevrolet Nova
• 1976 Chevrolet Nova
• 1977-1979 Chevrolet Nova
• 1978-1979 Chevrolet Nova
• 1978 Chevrolet Nova
• 1982-1985 Chevrolet S10
• 1982-2003 Chevrolet S10
• 1982-1990 Chevrolet S10
• 1982-1989 Chevrolet S10
• 1982-1992 Chevrolet S10
• 1985-1993 Chevrolet S10
• 1985-1990 Chevrolet S10
• 1985-1989 Chevrolet S10
• 1985-1992 Chevrolet S10
• 1991 Chevrolet S10
• 1992-1993 Chevrolet S10
• 1994-2003 Chevrolet S10
• 1994-2004 Chevrolet S10
• 1994-1998 Chevrolet S10
• 1997-2000 Chevrolet S10
• 1999-2003 Chevrolet S10
• 2002-2004 Chevrolet S10
• 1981-1983 GMC Caballero
• 1981-1984 GMC Caballero
• 1981-1986 GMC Caballero
• 1981-1987 GMC Caballero
• 1981 GMC Caballero
• 1985-1986 GMC Caballero
• 1982-1985 GMC S15
• 1982-1990 GMC S15
• 1982 GMC S15
• 1983 GMC S15
• 1985-1990 GMC S15
• 1986-1988 GMC S15
• 1987 GMC S15
• 1991-1993 GMC Sonoma
• 1991-2001 GMC Sonoma
• 1992 GMC Sonoma
• 1993 GMC Sonoma
• 1993-2004 GMC Sonoma
• 1994-2003 GMC Sonoma
• 1994-2004 GMC Sonoma
• 1994-2001 GMC Sonoma
• 1973-1974 GMC Sprint
• 1973-1977 GMC Sprint
• 1973 GMC Sprint
• 1974-1975 GMC Sprint
• 1974 GMC Sprint
• 1975-1977 GMC Sprint
• 1975 GMC Sprint
• 1975-1976 GMC Sprint
• 1976 GMC Sprint
• 1973-1975 Oldsmobile Cutlass
• 1973-1977 Oldsmobile Cutlass
• 1973-1976 Oldsmobile Cutlass
• 1975 Oldsmobile Cutlass
• 1975-1976 Oldsmobile Cutlass
• 1976 Oldsmobile Cutlass
• 1976-1977 Oldsmobile Cutlass
• 1976-1979 Oldsmobile Cutlass
• 1977 Oldsmobile Cutlass
• 1978-1979 Oldsmobile Cutlass
• 1979 Oldsmobile Cutlass
• 1980 Oldsmobile Cutlass
• 1980-1981 Oldsmobile Cutlass
• 1973-1977 Oldsmobile Cutlass Supreme
• 1973-1976 Oldsmobile Cutlass Supreme
• 1974-1975 Oldsmobile Cutlass Supreme
• 1975-1976 Oldsmobile Cutlass Supreme
• 1975 Oldsmobile Cutlass Supreme
• 1976 Oldsmobile Cutlass Supreme
• 1976-1977 Oldsmobile Cutlass Supreme
• 1977 Oldsmobile Cutlass Supreme
• 1975-1976 Oldsmobile Omega
• 1975-1979 Oldsmobile Omega
• 1975 Oldsmobile Omega
• 1976 Oldsmobile Omega
• 1976-1979 Oldsmobile Omega
• 1976-1977 Oldsmobile Omega
• 1976-1978 Oldsmobile Omega
• 1977 Oldsmobile Omega
• 1978-1979 Oldsmobile Omega
• 1978 Oldsmobile Omega
• 1978-1986 Pontiac Bonneville
• 1978-1981 Pontiac Bonneville
• 1980-1987 Pontiac Bonneville
• 1981-1986 Pontiac Bonneville
• 1982 Pontiac Bonneville
• 1984-1987 Pontiac Bonneville
• 1984-1986 Pontiac Bonneville
• 1986 Pontiac Bonneville
• 1973-1975 Pontiac Grand Am
• 1973-1974 Pontiac Grand Am
• 1975 Pontiac Grand Am
• 1978-1980 Pontiac Grand Am
• 1979 Pontiac Grand Am
• 1973-1974 Pontiac Grand Prix
• 1975 Pontiac Grand Prix
• 1975-1980 Pontiac Grand Prix
• 1975-1976 Pontiac Grand Prix
• 1976-1987 Pontiac Grand Prix
• 1976-1977 Pontiac Grand Prix
• 1976 Pontiac Grand Prix
• 1977-1983 Pontiac Grand Prix
• 1977 Pontiac Grand Prix
• 1978-1987 Pontiac Grand Prix
• 1979 Pontiac Grand Prix
• 1979-1983 Pontiac Grand Prix
• 1981-1987 Pontiac Grand Prix
• 1982 Pontiac Grand Prix
• 1984-1987 Pontiac Grand Prix
• 1986-1987 Pontiac Grand Prix
• 1973-1974 Pontiac LeMans
• 1973-1977 Pontiac LeMans
• 1973 Pontiac LeMans
• 1974-1981 Pontiac LeMans
• 1974-1975 Pontiac LeMans
• 1974 Pontiac LeMans
• 1974-1977 Pontiac LeMans
• 1975-1976 Pontiac LeMans
• 1976 Pontiac LeMans
• 1977 Pontiac LeMans
• 1977-1981 Pontiac LeMans
• 1978-1981 Pontiac LeMans
• 1979-1980 Pontiac LeMans
• 1977-1978 Pontiac Phoenix
• 1977 Pontiac Phoenix
• 1977-1979 Pontiac Phoenix
• 1978-1979 Pontiac Phoenix
• 1978 Pontiac Phoenix
• 1975-1976 Pontiac Ventura
• 1975-1977 Pontiac Ventura
• 1975 Pontiac Ventura
• 1977 Pontiac Ventura

Please verify exact fitment for your trim and engine before ordering.

Manufacturer Part Number: GS401-10550C

Images are for illustrative purposes only. Actual product may vary.

⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.