The QA1 5247 upper adjustable trailing arms allow easy rear suspension adjustment for 1973-1988 GM G-body and 1973-1977 A-body cars. The pinion angle is set by loosening the jam nuts and turning the arm without removing it from the vehicle. They replace the soft OE differential bushings with polyurethane and use a spherical ball or rod end with UHMW polyethylene bushings on the chassis end to let the suspension move freely and eliminate bushing bind, keeping the tires planted for better traction and more predictable handling. The adjustable arms are zinc plated and anodized and are sold in pairs.
Specifications:
- Type: upper adjustable trailing arms, sold in pairs
- Adjustment: pinion angle, set on the vehicle via jam nuts
- Differential end: polyurethane bushings
- Chassis end: spherical ball or rod end with UHMW polyethylene bushings
- Finish: zinc plated and anodized
- Made in the USA
- Part number: 5247
Vehicle Applications:
- 1973 Buick Century
- 1974 Buick Century
- 1975 Buick Century
- 1976 Buick Century
- 1977 Buick Century
- 1978 Buick Century
- 1979 Buick Century
- 1980 Buick Century
- 1981 Buick Century
- 1982 Buick Century
- 1983 Buick Century
- 1984 Buick Century
- 1985 Buick Century
- 1986 Buick Century
- 1987 Buick Century
- 1988 Buick Century
- 1973 Buick Regal
- 1974 Buick Regal
- 1975 Buick Regal
- 1976 Buick Regal
- 1977 Buick Regal
- 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
- 1973 Chevrolet Chevelle
- 1973 Chevrolet El Camino
- 1974 Chevrolet El Camino
- 1975 Chevrolet El Camino
- 1976 Chevrolet El Camino
- 1977 Chevrolet El Camino
- 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
- 1973 Chevrolet Monte Carlo
- 1974 Chevrolet Monte Carlo
- 1975 Chevrolet Monte Carlo
- 1976 Chevrolet Monte Carlo
- 1977 Chevrolet Monte Carlo
- 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
- 1973 GMC Sprint
- 1974 GMC Sprint
- 1975 GMC Sprint
- 1976 GMC Sprint
- 1977 GMC Sprint
- 1973 Oldsmobile Cutlass
- 1974 Oldsmobile Cutlass
- 1975 Oldsmobile Cutlass
- 1976 Oldsmobile Cutlass
- 1977 Oldsmobile Cutlass
- 1978 Oldsmobile Cutlass
- 1979 Oldsmobile Cutlass
- 1980 Oldsmobile Cutlass
- 1981 Oldsmobile Cutlass
- 1973 Oldsmobile Cutlass Supreme
- 1974 Oldsmobile Cutlass Supreme
- 1975 Oldsmobile Cutlass Supreme
- 1976 Oldsmobile Cutlass Supreme
- 1977 Oldsmobile Cutlass Supreme
- 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
- 1973 Pontiac Grand Am
- 1974 Pontiac Grand Am
- 1975 Pontiac Grand Am
- 1978 Pontiac Grand Am
- 1979 Pontiac Grand Am
- 1980 Pontiac Grand Am
- 1973 Pontiac Grand Prix
- 1974 Pontiac Grand Prix
- 1975 Pontiac Grand Prix
- 1976 Pontiac Grand Prix
- 1977 Pontiac Grand Prix
- 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
- 1973 Pontiac LeMans
- 1974 Pontiac LeMans
- 1975 Pontiac LeMans
- 1976 Pontiac LeMans
- 1977 Pontiac LeMans
- 1978 Pontiac LeMans
- 1979 Pontiac LeMans
- 1980 Pontiac LeMans
- 1981 Pontiac LeMans
FAQ
What does the QA1 5247 trailing arm kit include?
The kit includes two upper adjustable trailing arms with jam nuts, sold as a pair.
How are these trailing arms adjusted?
The pinion angle is set by loosening the jam nuts and turning the arm, which can be done without removing the arm from the vehicle.
What bushings do they use?
They use polyurethane bushings on the differential end and a spherical ball or rod end with UHMW polyethylene bushings on the chassis end to eliminate bushing bind.
What vehicles does the 5247 kit fit?
They fit 1973-1988 GM G-body and 1973-1977 A-body cars such as the Regal, Century, Monte Carlo, Cutlass, Grand Prix, LeMans, El Camino and Bonneville.
