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The UMI Performance weight jack kit for 1982–1992 Camaro and Firebird combines a medium‑firm street ride with capable auto‑x and road‑race handling. With 850 lb/in front and 175 lb/in rear springs, Acme thread adjustment and thrust bearings, the kit adjusts from factory height to a 2½" drop and supports independent corner weight tuning. Made in the USA and intended to pair with UMI, Viking or Koni dampers for predictable handling.
UMI Performance 82-92 GM F-Body Front and Rear Weight Jack Kit Street
