Designed as a stock replacement for 1973-79 Pontiac 326, 350, 389, 400 and 455 (except Ram Air IV) with 4 bbl carb and stock EGR. This manifold will clear H.E.I. distributors. Use stock or replacement spread bore carburetors only.
Note: For Trans Am use stock carburetor for shaker hood clearance. TA-8559 for manifold bolt set.
