What kind of manifolds do I need for a Pontiac?
What kind of manifolds do I need for a Pontiac? Aluminum 421 SD manifolds from original pontiac tooling. Hi heat alloy aluminum. Ceramic coating recommended. Two versions available A-all D-port heads; B for 63 SD "980" head only. Miniature starter or upside down starter is required. How much does a ram air D-port manifold cost? Pair LH and RH Ram Air D-port manifolds (shown with gray ceramic coating) GET TUBE HEADER PERFORMANCE & EFFICIENCY WITHOUT ALL OF THE TUBE HEADER HASSLE AND GROUND CLEARANCE PROBS: BOLT IN FIT FOR: 68-72 Tempest/GTO/LM 70-81 Firebird/ Trans Am (exc 301) Individual sides rh...