Fits: GMC C-20, C-30 1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987
C-30 Dually Only 1988,1989,1990,1991
- Front 3" Drop Coils, Hardware
- Rear 4"Shackle and Hanger
- Notes: Fits 8 lug 2wd only, Squarebody Style Only, 28" Recommended Front Tire Size
If your shock is mounted outside the frame rail THIS KIT WILL NOT WORK. See pic for reference.