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FEL-PRO
326-455 Pontiac Exhaust PORT SIZE 1.53in. x 2in. Exhaust Header / Manifold Gasket - 1.530 x 2.000 in D Port - Steel Core Laminate - Open Center Port - Steel Core Laminate - Pontiac V8 - Pair
ARP
Pontiac 400-455 w/EDE D-Port Head Bolt Kit Cylinder Head Bolt Kit - High Performance Series - Hex Head - Chromoly - Black Oxide - Edelbrock D Port Head - Pontiac 400-455 - Kit
REMFLEX EXHAUST GASKETS
Exhaust Gasket - Pontiac 400-455 Ram-Air IV/SD/HO Exhaust Header / Manifold Gasket - 1.875 in Round Port - Graphite - Pontiac V8 - Pair
Edelbrock
Edelbrock 7281 - Edelbrock part #7281 Exhaust Gaskets are designed for 1961-79 Pontiac 326-389-400-421-428-455 V8 engines. Gaskets future a 1.880" port size.Edelbrock part #7281 Exhaust Gaskets are...
REMFLEX EXHAUST GASKETS
Exhaust Gasket-PONTIAC V 8 326-455 Exhaust Header / Manifold Gasket - 1.125 x 1.938 D Center Port - 1.500 x 1-15/16 in Oval End Port - Graphite - Pontiac V8 - Pair
