Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The UMI Performance race weight jack kit for 1982–1992 GM F‑Body offers a competition‑oriented setup with 1050 lb/in front and 200 lb/in rear springs for firm handling. US steel construction, Acme thread height adjustment with thrust bearings, and 0–2½" lowering capability make corner tuning straightforward. Suited for road race and auto‑x use, it pairs with Viking or Koni shocks and fits factory or UMI k‑members with some rear housing fit notes.
UMI Performance 82-92 GM F-Body Front and Rear Weight Jack Kit Race
