QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 400lbs/in - Flat Large - Aluminum

QA1 Single Adjustable Pro-Coil kits are an excellent choice for any muscle car owner looking for a better stance, ride quality and performance. These easy-to-install bolt-in kits are a great solution for adjustable ride height, and the single-adjustable valving provides ample range of tunability for comfort and performance. DIAL IN THE PERFECT STANCE Achieving the perfect, level stance is critical for the overall look and appearance of your car. Pro-Coil kits offer 0 to –2 inches of ride height adjustability, allowing you to dial in the perfect stance for your Cutlass, Regal, Malibu, Galaxie, among many others. Adjustments within this range can be made with a simple turn of the spring seat nut. For an additional drop beyond 2 inches, consider adding drop spindles to your car. TUNE YOUR RIDE COMFORT & PERFORMANCE QA1 single adjustable coilovers deliver exceptional ride quality and performance for your vehicle. With the simple turn of a dial, you can effortlessly switch between a comfortable cruise and a more aggressive feel, making them ideal for daily driving or twisty backroads. Accessing the 18-position knob is easy, and by turning the steering wheel to full lock, you can reach in and make your tuning adjustments at the base of the shock. QA1 Pro-Coil kits feature high-travel coil springs built to deliver optimal performance. Spring rates are tailored to your vehicle's weight and driving style. Need help choosing the correct spring rate? Watch this video ! EASY, BOLT-IN INSTALLATION GM Pro-Coil Kits seamlessly bolt-in with both Original Equipment (OE) stamped steel control arms or QA1 tubular control arms. This gives you the flexibility to use the kit with your existing setup or upgrade your control arms for additional performance gains. FEATURES AND BENEFITS • Up to 2” of ride height adjustment allows you to dial in the perfect stance. • Achieve the ultimate balance of ride quality and performance with simultaneous adjustment of rebound and compression valving. • Easy bolt-in installation that works with your factory or upgraded QA1 tubular control arms.

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: GS401-10400C

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.