One of the most effective ways to improve the stiffness and handling of GM A/G Body is to box the factory chassis. This process could take considerable time with measuring, cutting and fitting steel panels, however Hellwig Products is making the task easy and even more effective with its custom fit Frame FX kit.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
1980-1981	Buick	Century	Base
1978-1979,1982-1987	Buick	Century	Custom
1980-1981,1984	Buick	Century	Estate
1985-1987	Buick	Century	Estate Wagon
1978-1987	Buick	Century	Limited
1984	Buick	Century	Olympia Limited
1978-1979	Buick	Century	Special
1978-1981	Buick	Century	Sport
1983-1986	Buick	Century	T-Type
1978-1987	Buick	Regal	Base
1982-1983	Buick	Regal	Estate Wagon
1987	Buick	Regal	GNX
1984-1987	Buick	Regal	Grand National
1978-1987	Buick	Regal	Limited
1982	Buick	Regal	Limited Turbo
1978-1982	Buick	Regal	Sport
1983-1986	Buick	Regal	T-Type
1978-1981	Chevrolet	Malibu	Base
1978-1983	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
1979,1981-1987	Chevrolet	Monte Carlo	Base
1983	Chevrolet	Monte Carlo	CL
1978-1981	Chevrolet	Monte Carlo	Landau
1986-1987	Chevrolet	Monte Carlo	LS
1978,1980	Chevrolet	Monte Carlo	Sport
1983-1987	Chevrolet	Monte Carlo	SS
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
1978-1984	Oldsmobile	Cutlass Calais	Base
1983-1984	Oldsmobile	Cutlass Calais	Hurst
1978-1979,1985-1986	Oldsmobile	Cutlass Salon	442
1978-1980,1985-1987	Oldsmobile	Cutlass Salon	Base
1978-1980	Oldsmobile	Cutlass Salon	Brougham
1979	Oldsmobile	Cutlass Salon	Hurst
1987	Oldsmobile	Cutlass Supreme	442
1978-1987	Oldsmobile	Cutlass Supreme	Base
1978-1987	Oldsmobile	Cutlass Supreme	Brougham
1985	Oldsmobile	Cutlass Supreme	LS
1978-1980	Pontiac	Grand Am	Base
1978-1981	Pontiac	Grand LeMans	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