UMI Performance

Front Spring Rate Options:450lb- For small block vehicles550lb- For big block vehicles

UMI Performance 59-64 GM B-Body Viking Front Coil Over Kit Double Adjustable- Polyurethane

UMI Performance 59-64 GM B-Body Viking Front Coil Over Kit Double Adjustable- Polyurethane

UMI Performance 59-64 GM B-Body Viking Performance Double Adjustable Front Shock

Panhard bar hardware kit includes new hardware for installing a panhard bar on the 1958-1970 Chevrolet B-Body vehicles. Kit includes grade 8 bolts, washers and nuts. Please note, some Chevrolet...

Upper rear control arm hardware kit includes new hardware for installing one upper rear control arm in the 1959-1970 Chevrolet B-Body vehicles. Kit includes 5/8” grade 8 bolts and lock nuts...

Umi Performance 63-87 GM C10 Front Sway Bar Bracket Stock Ride Height

Umi Performance 63-87 GM C10 Front Sway Bar Brackets Lowered

UMI Performance 63-87 GM C10 Lower A-Arm U-Bolts Kit

Replace your rubber OEM rear end housing with an Energy Suspension polyurethane setup. Over years, rubber OEM bushings dry rot, crack and harden, decreasing your ride quality and performance. The...

Replace your rubber OEM rear end housing with an Energy Suspension polyurethane setup. Over years, rubber OEM bushings dry rot, crack and harden, decreasing your ride quality and performance. The...

UMI Performance 64-66 GM A-Body 1in Lowering Spring Set Rear

UMI Performance 64-66 GM A-Body 2in Lowering Spring Set Rear

UMI Performance 64-66 GM A-Body Factory Height Springs Rear

UMI Performance 64-66 GM A-Body Handling Kit 1in Lowering Stage 1 - Black