Application1967 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1967 Buick Skylark, Grand Sport, Special 1967 Pontiac Lemans, GTO. Tempest 1967 Oldsmobile Cutlass, 442, F-85 UMI Performance’s newly renovated Stage 2 handling kit includes...

Application 1965-1966 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1965-1966 Buick Skylark, Grand Sport, Special 1965-1966 Pontiac Lemans, GTO. Tempest 1965-1966 Oldsmobile Cutlass, 442, F-85 UMI Performance’s newly renovated Stage 2...

Application 1965-1966 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1965-1966 Buick Skylark, Grand Sport, Special 1965-1966 Pontiac Lemans, GTO. Tempest 1965-1966 Oldsmobile Cutlass, 442, F-85 UMI Performance’s newly renovated Stage 2...

Application 1964 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964 Buick Skylark, Grand Sport, Special 1964 Pontiac Lemans, GTO. Tempest 1964 Oldsmobile Cutlass, 442, F-85 UMI Performance’s newly renovated Stage 2 handling kit includes...

Application 1964 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino 1964 Buick Skylark, Grand Sport, Special 1964 Pontiac Lemans, GTO. Tempest 1964 Oldsmobile Cutlass, 442, F-85 UMI Performance’s newly renovated Stage 2 handling kit includes...

UMI's Delrin shackle kit works with UMI P/N 2620 rear leaf springs as well as other stock location leaf springs. The kit is a great choice for corner carving street and high performance use. Kit includes Delrin bushings for both leaf and chassis side,...

UMI's polyurethane shackle kit works with UMI P/N 2620 rear leaf springs as well as other stock location leaf springs. The kit is a great choice for street and performance use. Kit includes bushings for both leaf and chassis side, Grade 8 hardware and...

UMI’s rear leaf spring is a high performance solution to lowering the rear of your 1970-1981 Camaro or Firebird. These springs feature high quality US Steel, multi-leaf construction and lower the car an average of 2" to 2-½" below stock ride...

UMI's leaf spring installation kit works with UMI P/N 2620 leaf springs as well as other stock location leaf springs. The kit is a great choice for street and performance use. Kit includes high quality u-bolts, polyurethane isolators and front bolt. Made...

UMI’s leaf spring and Delrin shackle kit is a heavy duty, Made In USA solution to lowering the rear of your 2nd Gen. These springs feature high quality US Steel, multi-leaf construction and lower the car an average of 2" to 2-½" below stock...

UMI’s leaf spring and poly shackle kit is a complete, high performance solution to lower the rear of your 2nd Gen. These springs feature high quality US Steel, multi-leaf construction and lower the car an average of 2" to 2-½" below stock...

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...