1975-1986 Chevrolet K10. 1973-1986 Chevrolet K10 Suburban. 1975-1986 Chevrolet C10. 1973-1986 Chevrolet C10 Suburban. 1973-1974 Chevrolet K10 Pickup. Upgrade your 1973 - 1987 Chevrolet or GMC truck to an 8" dual diaphragm power brake booster and 1 " bore master cylinder.
