UMI Performance

UMI’s 2″ front lowering spring kit features high quality construction and a medium firm 900 lb/in spring rating. UMI springs are suitable for daily driving, back road corner carving and even...

UMI’s bolt-in frame notch kit improves axle clearance on lowered trucks. The 6415 is essential when lowering more than 6″. It features strong 3/16″ laser cut steel construction, quality hardware and...

The UMI Performance P/N 6411 rear shock relocation kit provides a proven mounting solution for stock length shocks on flip kit lowered vehicles. Strong 3/16” thick construction and all hardware is...

The UMI Performance P/N 6410 flip kit lowers the rear of the 1973-1987 GM C10 truck six inches by relocating the axle above the leaf spring. The saddle bracket moves the axle rearward to keep the...

This one-piece NHRA legal drive shaft safety loop is a bolt-in or weld-in application for the 1964-1972 GM A-body. Drive shaft loop is contoured for the A-Body floor pan and bolts or welds into...

This one-piece NHRA legal drive shaft safety loop is a bolt-in or weld-in application for the 1964-1972 GM A-body. Drive shaft loop is contoured for the A-Body floor pan and bolts or welds into...

The UMI bolt-in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant...

The UMI bolt-in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant...

The UMI bolt-in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant...

The UMI bolt-in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant...

The UMI bolt-in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant...

The UMI bolt-in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant...

The UMI bolt-in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant...

UMI's El Camino specific rear shock tower brace addresses the interference common with other shock tower braces on the market. This brace clears nicely while stiffening the rear spring pocket area on...

UMI's El Camino specific rear shock tower brace addresses the interference common with other shock tower braces on the market. This brace clears nicely while stiffening the rear spring pocket area on...