Products

UMI's boxed lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The boxed contro...

UMI Performance 78-96 GM B-Body Complete Rear Control Arm Hardware KitThis Part Fits: Year Make Model Submodel 1978-1981,1987-1988 Buick LeSabre...

This one-piece NHRA legal drive shaft safety loop is a bolt-in application for the 78-96 GM B-body. This item bolts to existing floor pan holes i...

This one-piece NHRA legal drive shaft safety loop is a bolt-in application for the 78-96 GM B-body. This item bolts to existing floor pan holes i...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new ones. This kit includes all new hardwa...

UMI Performance control arm relocation brackets quickly turn your factory or aftermarket rear control arms into a lift bar set-up. The relocation b...

UMI’s high durometer polyurethane bushings replace the factory rubber rear end housing bushings. After many years of weather and abuse the fact...

UMI’s high durometer polyurethane bushings replace the factory rubber rear end housing bushings. After many years of weather and abuse the fact...

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 borde...

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 borde...

This kit replaces both the rear upper and lower rear control arms on any 78-96 GM B-Body. Kit is designed to reduce traction loss and minimize wh...

This kit replaces both the rear upper and lower rear control arms on any 78-96 GM B-Body. Kit is designed to reduce traction loss and minimize wh...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new ones. This kit includes all new hardwa...

Heavy duty tie rod adjusters are designed to eliminate the factory clamp style design making adjustments easy and hassle free. Tie rod adjusters ar...

USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...

USA Standard Gear Master Overhaul Kits give you all the high-quality installation parts you need to start and finish every differential job. USA St...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...