Pontiac V8 Ready-To-Run Distributor Fits 326, 350, 389, 400, 421, 428, And 455 Pontiac. Ready-To-Run Distributors Include A Built-In Module. No Control Required. Includes A Rev Limiter MSD Ignitionadvance. The weights and assembly are fine blanked from chromoly for Do yourself and your Poncho a favor and replace your points distributor with a Ready to Run model. You'll never have to adjust or replace the points again and your car will run better thanks to the hot MSD sparks. The Distributor is supplied with the MSD Cap, Race Rotor, wire retainer curve to match your engine's specifications easily with the supplied advance Inside the CNC machined