GM 2771004x Hydro-Boost Repair Kit Seal Leak Repair Universal Kit Rubber Only

boost gm only repair kit rubber seal universal

KIT-50 / 2771004x. Kit-50 Hydro-Boost Repair Kit (Mostly Rubber) 2771004X. 2771004X Hydro-Boost Repair Kit (Mostly Rubber). 1964-1972 GM A Body (Chevelle). We specialize in performance brakes for late fullsize GM cars from 1955-70 and muscle cars from 1962-74,, Chevy, & Ford.