Products

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sp...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate ...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate ...

Adjustability is one the most important things when tuning in your street cars suspension. That is why we have taken the time to develop the ultima...

Adjustability is one the most important things when tuning in your street cars suspension. That is why we have taken the time to develop the ultima...

This kit includes (1) set of our tubular lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms"_x009d_. Both ...

This kit includes (1) set of our tubular lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms"_x009d_. Both ...

This kit manufactured by UMI Performance includes a set of tubular rear lower control arms and a set of adjustable rear upper control arms. This ...

This kit manufactured by UMI Performance includes a set of tubular rear lower control arms and a set of adjustable rear upper control arms. This ...

UMI’s premium boxed lower control arms are fully boxed to offer the factory look while still providing enhanced performance to the vehicle. Our...

UMI’s premium boxed lower control arms are fully boxed to offer the factory look while still providing enhanced performance to the vehicle. Our...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is M...

This 100% jig built, bolt-in brace ties the rear upper shock mounts together to share the load and stiffen the chassis. Strong 1-1/4” tubing is M...

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 borderl...

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 borderl...

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...

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 Axle Shaft For 8.2in Buick / Oldsmobile & Pontiac / Bolt-In AxleThis Part Fits: Year Make Model Submodel 1964-1972 Pontiac Bonn...

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...

If there is a classic design for street and strip cars, it would be the WELD Sport Forged wheels. These designs are perhaps the most well known and...

If there is a classic design for street and strip cars, it would be the WELD Sport Forged wheels. These designs are perhaps the most well known and...

WELD Racing brings its application flexible racing technology to the street with a budget friendly 3-piece modular wheel using a unique welded asse...

Yukon Gear & Axle(R) provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior mate...