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

Take your racing performance to the next level with UMI's competition-proven front weight jack system. This kit is designed to provide up to 2.5" of lowering from factory height and features an adjustable weight jack bucket with a custom-wound ultra-premium performance spring.

Key features include:

  • Up to 2.5" of lowering from factory height
  • Adjustable weight jack bucket with extra thick 1/4" base
  • Ultra-smooth ride height adjustment with acme bolt and industry-exclusive thrust bearing system
  • Custom designed 1050 lb/in springs for a firm ride suitable for auto-x, road racing, and spirited daily driving
  • Maintains factory clearance around the strut and allows maximum tire and wheel width
  • Pairs nicely with UMI Afco, Viking, or Koni strut
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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