QA1 adjustable rear frame supports reinforce the upper and lower trailing arm mounts on GM A-body and G-body cars to improve handling, traction, and overall suspension performance by removing unwanted chassis flex. They are built from 1 inch diameter cold rolled steel tubing and use zinc plated adjustable threaded sleeves to set preload in the rear trailing arm mount after installation. The supports are designed to clear stock and aftermarket mufflers, come with all necessary installation hardware, and are made in the USA.
Specifications:
- Type: rear frame support (trailing arm brace)
- Adjustability: adjustable threaded sleeves
- Construction: 1 in diameter cold rolled steel tubing
- Finish: zinc plated sleeves
- Reinforces upper and lower trailing arm mounts
- Clears stock and aftermarket mufflers
- All installation hardware included
- Made in the USA
- Part number: 5285
Vehicle Applications:
- 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
- 1979 Oldsmobile Cutlass
- 1980 Oldsmobile Cutlass
- 1981 Oldsmobile Cutlass
- 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
- 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
FAQ
What does the QA1 5285 rear frame support do?
It reinforces the upper and lower trailing arm mounts to improve handling and traction and to remove unwanted chassis flex.
Is the 5285 support adjustable?
Yes. It uses zinc plated adjustable threaded sleeves to set preload in the rear trailing arm mount after installation.
What is it made from?
It is built from 1 inch diameter cold rolled steel tubing and is made in the USA.
Is installation hardware included?
Yes. All necessary installation hardware is included.

