UMI Performance

UMI Performance’s rear upper control arms for the 71-75 GM H-Body are a direct bolt-in replacement for the factory control arms. These control arms are designed to minimize wheel hop, improve...

This kit from UMI Performance is designed for the 1971-1975 GM H-Body and includes tubular rear lower control arms and tubular upper controls. It is a direct bolt-on replacement aimed at reducing...

This kit from UMI Performance is designed for the 1971-1975 GM H-Body and includes tubular rear lower control arms and tubular upper controls. It is a direct bolt-on replacement aimed at reducing...

UMI’s lower control arms are a direct bolt-on replacement designed to minimize wheel hop, improve traction, and enhance track consistency. These control arms are constructed of high-quality materials...

UMI’s lower control arms are a direct bolt-on replacement designed to minimize wheel hop, improve traction, and enhance track consistency. These control arms are constructed of high-quality materials...

UMI Performance’s rear lower control arms for the 71-80 GM H-Body are a direct bolt in replacement for the rear factory control arms. The light weight tubular construction is designed to minimize...

UMI Performance’s rear lower control arms for the 71-80 GM H-Body are a direct bolt in replacement for the rear factory control arms. The light weight tubular construction is designed to minimize...

UMI’s 2nd gen F-Body bump steer kit is designed to reduce or eliminate toe change during suspension travel (also known as “bump steer”). Reduction of bump steer improves handling and straight line...

UMI’s 2660-1 bump steer kit allows adjustment of the outer tie rod height which in turn can help reduce or eliminate toe change during wheel travel. This kit includes a heavy duty 5/8" bolt and...

UMI’s Roto-Joint adjustable rear upper control arms are a bulletproof addition to your street or pro-touring car. UMI’s Roto-Joint upper control arms are suitable for street, strip or corner...

UMI’s Roto-Joint adjustable rear upper control arms are a bulletproof addition to your street or pro-touring car. UMI’s Roto-Joint upper control arms are suitable for street, strip or corner...

UMI’s boxed rear lower control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize suspension deflection for a crisp handling setup and...