# QA1 78-88 GM G-Body Pro Rear Coil-Over System - Single Adj. - 12in x 200lbs/in - Aluminum QA1 offers bolt-in Rear Coil-Over Conversion Kits for 1978-1988 GM G-Bodies. These kits include specially designed USA made mounting brackets and single or double adjustable aluminum shocks, springs and all necessary hardware. Single adjustable shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double adjustable shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for a total of 324 possible valving combinations. These shocks also utilize a fully threaded body allowing for ride height adjustability. Multiple spring rate options are also available, and have been successfully tested in various applications, from casual street driving to hard core race applications. With our highly popular adjustable struts and the addition of the Rear Coil-Over Conversion Kit, you can now get a complete suspension makeover for both ends of the vehicle. These lightweight billet aluminum coil-over shocks are made in the USA and offer easy, bolt-in installation and ride height adjustability. They are 100% dyno tested and serialized and serviceable and rebuildable by QA1 authorized service centers. Used in drag racing, street performance, autocross, road racing and street rod applications. Kit will lower the vehicle. Conversion Kit Note: Later model vehicles tend to weigh more on average. Please take this into account when ordering springs. - Ultimate balance of ride quality and performance handling with adjustable rebound and compression valving. - Achieve 1/2 higher than stock down to 2.25" lower than stock. - Limited Lifetime Warranty for peace of mind. - Proudly made in the USA. - Sold as a pair. This Part Fits: Year Make Model Submodel 1978-1987 Buick Regal Base 1988 Buick Regal Custom 1982-1983 Buick Regal Estate Wagon 1987 Buick Regal GNX 1984-1987 Buick Regal Grand National 1978-1988 Buick Regal Limited 1982 Buick Regal Limited Turbo 1978-1982 Buick Regal Sport 1983-1986 Buick Regal T-Type 1978-1987 Chevrolet El Camino Base 1978,1981-1986 Chevrolet El Camino Conquista 1979-1981 Chevrolet El Camino Royal Knight 1978-1987 Chevrolet El Camino SS 1978-1981 Chevrolet Malibu Base 1978-1982 Chevrolet Malibu Classic 1978-1980 Chevrolet Malibu Classic Estate 1978-1981 Chevrolet Malibu Classic Landau 1979-1980 Chevrolet Malibu Classic Sport 1979-1980 Chevrolet Malibu Estate 1979 Chevrolet Malibu Landau 1979 Chevrolet Malibu Police 1979-1980 Chevrolet Malibu Sport 1979,1981-1988 Chevrolet Monte Carlo Base 1983 Chevrolet Monte Carlo CL 1978-1981 Chevrolet Monte Carlo Landau 1986-1988 Chevrolet Monte Carlo LS 1978,1980 Chevrolet Monte Carlo Sport 1983-1988 Chevrolet Monte Carlo SS 1981-1986 GMC Caballero Amarillo 1981-1987 GMC Caballero Base 1981 GMC Caballero Conquista 1981-1987 GMC Caballero Diablo 1981 GMC Caballero Royal Knight 1980 Oldsmobile Cutlass Base 1980-1981 Oldsmobile Cutlass Brougham 1980-1981 Oldsmobile Cutlass LS 1978-1979 Oldsmobile Cutlass Vista Cruiser 1979 Oldsmobile Cutlass Vista Cruiser Brougham 1978-1981 Oldsmobile Cutlass Supreme Base 1978-1981 Oldsmobile Cutlass Supreme Brougham 1981 Oldsmobile Cutlass Supreme LS 1978-1987 Pontiac Bonneville Base 1978-1986 Pontiac Bonneville Brougham 1984-1987 Pontiac Bonneville LE 1978-1981 Pontiac Bonneville Safari 1978-1980 Pontiac Grand Am Base 1978-1987 Pontiac Grand Prix Base 1981-1987 Pontiac Grand Prix Brougham 1984-1987 Pontiac Grand Prix LE 1978-1983 Pontiac Grand Prix LJ 1978-1980 Pontiac Grand Prix SJ 1978-1981 Pontiac LeMans Base 1978-1981 Pontiac LeMans Safari ## Details - **Price:** 1246.27 CAD - **Vendor:** QA1 - **Type:** Coilovers ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1246.27 CAD | In stock | ## Images - Photo - Primary - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/qa1-78-88-gm-g-body-pro-rear-coil-over-system-single-adj-12in-x-200lbs-in-aluminum) > Updated: 2026-06-28