Fitment: For Chevrolet C20 1975-1986 For Chevrolet C20 Pickup 1973-1974 For Chevrolet C30 1975-1986 For Chevrolet C30 Pickup 1973-1974 For Chevrolet C3500 1988 For Chevrolet G20 1977-1988 For Chevrolet K20 1975-1986 For Chevrolet K20 Pickup 1973-1974 For Chevrolet K30 1977-1986 For Chevrolet K30 Pickup 1973-1974 Note-1: Not For 1964 to 1973 For Mustang front ends Note-2: Not For 1979 and newer For Mustangs .