*item may differ from images
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.
QA1 Suspension Shock Absorber and Coil Spring Assembly RCK52357
Specifications:
| California Proposition 65 | WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov |
| Title | QA1 Shock Absorber and Coil Spring Assembly RCK52357 |
| Description_SHO | Rear Pro Coil System |
| Description_INV | QA1 Rear Pro Coil System |
| Description_DEF | Suspension Shock Absorber and Coil Spring Assembly |
| Description_ASC | 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. |
| Description_DES | Kit, Rear Pro-Coil D-Adj GM G-Body, 12-220 |
| Description_EXT | Rear Pro Coil shock for 78-88 GM G-bodies. Double adjustable and includes all mounting hardware, brackets, two shocks and springs with a spring rate of 220. |
| Description_MKT | 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. |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1978 | Buick | Regal | ||
| 1979 | Buick | Regal | ||
| 1980 | Buick | Regal | ||
| 1981 | Buick | Regal | ||
| 1982 | Buick | Regal | ||
| 1983 | Buick | Regal | ||
| 1984 | Buick | Regal | ||
| 1985 | Buick | Regal | ||
| 1986 | Buick | Regal | ||
| 1987 | Buick | Regal | ||
| 1988 | Buick | Regal | ||
| 1978 | Chevrolet | El Camino | ||
| 1979 | Chevrolet | El Camino | ||
| 1980 | Chevrolet | El Camino | ||
| 1981 | Chevrolet | El Camino | ||
| 1982 | Chevrolet | El Camino | ||
| 1983 | Chevrolet | El Camino | ||
| 1984 | Chevrolet | El Camino | ||
| 1985 | Chevrolet | El Camino | ||
| 1986 | Chevrolet | El Camino | ||
| 1987 | Chevrolet | El Camino | ||
| 1978 | Chevrolet | Malibu | ||
| 1979 | Chevrolet | Malibu | ||
| 1980 | Chevrolet | Malibu | ||
| 1981 | Chevrolet | Malibu | ||
| 1982 | Chevrolet | Malibu | ||
| 1978 | Chevrolet | Monte Carlo | ||
| 1979 | Chevrolet | Monte Carlo | ||
| 1980 | Chevrolet | Monte Carlo | ||
| 1981 | Chevrolet | Monte Carlo | ||
| 1982 | Chevrolet | Monte Carlo | ||
| 1983 | Chevrolet | Monte Carlo | ||
| 1984 | Chevrolet | Monte Carlo | ||
| 1985 | Chevrolet | Monte Carlo | ||
| 1986 | Chevrolet | Monte Carlo | ||
| 1987 | Chevrolet | Monte Carlo | ||
| 1988 | Chevrolet | Monte Carlo | ||
| 1981 | GMC | Caballero | ||
| 1982 | GMC | Caballero | ||
| 1983 | GMC | Caballero | ||
| 1984 | GMC | Caballero | ||
| 1985 | GMC | Caballero | ||
| 1986 | GMC | Caballero | ||
| 1987 | GMC | Caballero | ||
| 1978 | Oldsmobile | Cutlass Supreme | ||
| 1979 | Oldsmobile | Cutlass Supreme | ||
| 1980 | Oldsmobile | Cutlass Supreme | ||
| 1981 | Oldsmobile | Cutlass Supreme | ||
| 1978 | Pontiac | Bonneville | ||
| 1979 | Pontiac | Bonneville | ||
| 1980 | Pontiac | Bonneville | ||
| 1981 | Pontiac | Bonneville | ||
| 1982 | Pontiac | Bonneville | ||
| 1983 | Pontiac | Bonneville | ||
| 1984 | Pontiac | Bonneville | ||
| 1985 | Pontiac | Bonneville | ||
| 1986 | Pontiac | Bonneville | ||
| 1987 | Pontiac | Bonneville | ||
| 1978 | Pontiac | Grand Am | ||
| 1979 | Pontiac | Grand Am | ||
| 1980 | Pontiac | Grand Am | ||
| 1982 | Pontiac | Grand LeMans | ||
| 1983 | Pontiac | Grand LeMans | ||
| 1978 | Pontiac | Grand Prix | ||
| 1979 | Pontiac | Grand Prix | ||
| 1980 | Pontiac | Grand Prix | ||
| 1981 | Pontiac | Grand Prix | ||
| 1982 | Pontiac | Grand Prix | ||
| 1983 | Pontiac | Grand Prix | ||
| 1984 | Pontiac | Grand Prix | ||
| 1985 | Pontiac | Grand Prix | ||
| 1986 | Pontiac | Grand Prix | ||
| 1987 | Pontiac | Grand Prix | ||
| 1978 | Pontiac | LeMans | ||
| 1979 | Pontiac | LeMans | ||
| 1980 | Pontiac | LeMans | ||
| 1981 | Pontiac | LeMans |