Part Number： 54-71008 18003678 Application For ： For Chevrolet Blazer 1974 All Engine with Dual Diaphragm Booster For Chevrolet C10 1975-1977 All Engine With Brake Code JB5 For Chevrolet C10 1978-1980 All Engine Petrol, With Brake Code JB5 For Chevrolet C10 Pickup 1974 All Engine With Brake Code JB5 For Chevrolet C10 Suburban 1973 All Engine For Chevrolet C10 Suburban 1974-1980 All Engine Fits with Brake Code JB5 or JB6 or JB7 For Chevrolet C20 1975 All Engine For Chevrolet C20 1976-1980 All Engine Fits with Brake Code JB6 or JB7 For Chevrolet C20 Pickup 1973-1974 All Engine For Chevrolet C20 Suburban 1973 All Engine .
