CHEVROLET K1500 SUBURBAN 1992 - 1994 Gas; 4WD 6 Lug Models ONLY. K1500 PICKUP 1992 - 1994 All Models. GMC K1500 SUBURBAN 1992 - 1994 Gas; 4WD 6 Lug Models ONLY; with 11" Rear Drums. CHEVROLET K1500 PICKUP 1990 - 1991 Fits Heavy Duty Standard Cab Models; Except F44 Heavy Duty Chassis (Rotor is 1.28" Thick).