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UMI Performance 82-92 GM F-Body Front Weight Jack System 1050lb Race

Take your racing to the next level with UMI Performance's 82-92 GM F-Body Front Weight Jack System. This competition-grade system is designed to provide up to 2.5" of lowering from factory height, allowing you to fine-tune your ride height for optimal performance.

Featuring a tough, adjustable weight jack bucket and a custom-wound ultra-premium performance spring, this kit is built to withstand the demands of competition. The adjustment bucket boasts an extra-thick 1/4" base to resist bending under force, while the acme bolt and industry-exclusive thrust bearing system enable ultra-smooth ride height adjustments.

  • Up to 2.5" of lowering from factory height
  • Adjustable weight jack bucket with extra-thick 1/4" base
  • Custom-wound 1050lb/in ultra-premium performance spring
  • Acme bolt and thrust bearing system for easy ride height adjustments
  • Works with UMI Afco, Viking, or Koni strut
  • Fits UMI K-member and Factory K-member
Make Model Year Type
Chevrolet Camaro 1982 Berlinetta
Chevrolet Camaro 1982 Sport
Chevrolet Camaro 1982 Z28
Chevrolet Camaro 1982 Z28 Indianapolis 500 Pace Car
Chevrolet Camaro 1983 Berlinetta
Chevrolet Camaro 1983 Sport
Chevrolet Camaro 1983 Z28
Chevrolet Camaro 1984 Berlinetta
Chevrolet Camaro 1984 Sport
Chevrolet Camaro 1984 Z28
Chevrolet Camaro 1985 Berlinetta
Chevrolet Camaro 1985 Iroc-Z
Chevrolet Camaro 1985 Sport
Chevrolet Camaro 1985 Z28
Chevrolet Camaro 1986 Berlinetta
Chevrolet Camaro 1986 Iroc-Z
Chevrolet Camaro 1986 Sport
Chevrolet Camaro 1986 Z28
Chevrolet Camaro 1987 Iroc-Z
Chevrolet Camaro 1987 LT
Chevrolet Camaro 1987 Sport
Chevrolet Camaro 1987 Z28
Chevrolet Camaro 1988 Base
Chevrolet Camaro 1988 Iroc-Z
Chevrolet Camaro 1989 Iroc-Z
Chevrolet Camaro 1989 RS
Chevrolet Camaro 1990 Iroc-Z
Chevrolet Camaro 1990 RS
Chevrolet Camaro 1991 RS
Chevrolet Camaro 1991 Z28
Chevrolet Camaro 1992 RS
Chevrolet Camaro 1992 RS Heritage Edition
Chevrolet Camaro 1992 Z28
Chevrolet Camaro 1992 Z28 Heritage Edition
Pontiac Firebird 1982 Base
Pontiac Firebird 1982 S/E
Pontiac Firebird 1982 Trans Am
Pontiac Firebird 1983 Base
Pontiac Firebird 1983 S/E
Pontiac Firebird 1983 Trans Am
Pontiac Firebird 1984 Base
Pontiac Firebird 1984 S/E
Pontiac Firebird 1984 Trans Am
Pontiac Firebird 1985 Base
Pontiac Firebird 1985 S/E
Pontiac Firebird 1985 Trans Am
Pontiac Firebird 1986 Base
Pontiac Firebird 1986 S/E
Pontiac Firebird 1986 Trans Am
Pontiac Firebird 1987 Base
Pontiac Firebird 1987 Trans Am
Pontiac Firebird 1988 Base
Pontiac Firebird 1988 Trans Am
Pontiac Firebird 1989 Base
Pontiac Firebird 1989 Formula
Pontiac Firebird 1989 Trans Am
Pontiac Firebird 1989 Trans Am GTA
Pontiac Firebird 1989 Trans Am GTA SE
Pontiac Firebird 1990 Base
Pontiac Firebird 1990 Formula
Pontiac Firebird 1990 Trans Am
Pontiac Firebird 1990 Trans Am GTA
Pontiac Firebird 1991 Base
Pontiac Firebird 1991 Formula
Pontiac Firebird 1991 Trans Am
Pontiac Firebird 1991 Trans Am GTA
Pontiac Firebird 1992 Base
Pontiac Firebird 1992 Formula
Pontiac Firebird 1992 Trans Am
Pontiac Firebird 1992 Trans Am GTA
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