UMI Performance

UMI Performance 68-72 GM A-Body Spring/Shock Lowering Kit 1in Rear 350lb

UMI Performance 68-72 GM A-Body Spring/Shock Lowering Kit 1in Rear 450lb

UMI Performance 68-72 GM A-Body Spring/Shock Lowering Kit 1in Rear 550lb

Installation: Easy 1-hour bolt-on installation requires no drilling, uses OEM hardware.

Installation: Easy 1-hour bolt-on installation requires no drilling, uses OEM hardware.

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of junk, bushing deflection and rusting weak...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of junk, bushing deflection and rusting weak...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...

Front Spring Rate Options:250lb- 11” tall springs for drag race only. Serious lightening required.350lb- Small block cruise or drag race with lightening required.450lb- Small block cruise, big block...