UMI’s 2nd Gen F-body lowering springs are wound from 5160 CrSi premium wire and feature a linear 600 lb/in rate. UMI’s front springs are stiffer than stock to provide increased performance with decreased body roll and a lower center of...

UMI’s street front end kit includes everything to completely transform the front end of the 2nd Gen F-Body into a street friendly, corner capable, modern handling muscle car. The foundation is UMI's high caster fabricated upper and lower a-arms...

UMI’s street front end kit includes everything to completely transform the front end of the 2nd Gen F-Body into a street friendly, corner capable, modern handling muscle car. The foundation is UMI's high caster fabricated upper and lower a-arms...

UMI’s Stage 1 handling kit is the cost effective way to refresh your trusty 2nd Gen and bring the joy back to daily driving. The kit includes 2" UMI front lowering springs (600 lb/in rate) and rear lowering leafs (175 lb/in) which takes away that...

Applications: 1970-1981 Chevrolet Camaro (all models) 1970-1981 Pontiac Firebird (all models) 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972 Buick Skylark, Grand Sport, Special 1964-1972 Pontiac Lemans, GTO, Tempest 1964-1972...

Applications: 1970-1981 Chevrolet Camaro (all models) 1970-1981 Pontiac Firebird (all models) 1964-1972 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964-1972 Buick Skylark, Grand Sport, Special 1964-1972 Pontiac Lemans, GTO, Tempest 1964-1972...

UMI’s 2664 aluminum body mounts are a direct replacement for worn out factory body mounts and are used to restore the body location to factory position. These aluminum body mounts are great for handling or drag race cars as they give the car a...

The Detroit Speed, Inc. rear leaf spring suspension kit works great with any of our front suspension systems. Detroit Speed leaf springs improve handling due to the increased spring rate and are available in either a 2" or 3" drop to lower ride height...

Our Delrin™ Leaf Spring Bushing Kits provide the ultimate handling performance by reducing bushing compliance. Our bushings also offset the leaf springs inboard to gain more clearance with your Mini-Tub Kit. You can purchase the entire bushing and...

Upgrade your rear leaf spring and shackle bushings with our heavy duty polyurethane bushing/shackle kit. The polyurethane kit includes both spring eye bushings, shackle bushings, zinc plated heavy duty steel shackles, bolts, and lock nuts. 1967-81...

These ‘Detroit Tuned’ rear shocks should be used on a 1970-1981 Camaro/Firebird & 1968-74 Nova that has been Mini-Tubbed. This is the aluminum body shock that our Mini-Tub kit is designed around for proper mount height, as well as jounce...

Use this kit to convert you original mono-leaf car to a multi-leaf configuration. Comes with everything you need to correctly convert your mono-leaf rear axle including: U-bolts, a hardcoated steel locating pad, aluminum spacers, washers, and nuts...