Description: ill replace your remote choke style 4 barrel Quadrajet if you wish to upgrade to electric choke or from a 2 to four barrel carb using a GM spread bore style intake manifold. These carbs where assembled using only the highest quality components, They feature: All new parts and gaskets including brand new electric choke, choke pull-off, float, needle and seat ,castings have protective coat of black paint , brass bushings in the throttle shaft eliminate vacuum leaks, re-finished base, yellow zinc plating on all linkages and hardware to prevent corrotion and the casting plugs are sealed with epoxy to prevent leak-down into the intake manifold. New Base gasket included. .