Image 1 of 3 Image 2 of 3 Image 3 of 3 Remflex 12-004 Pontiac D Shaped Center Port Exhaust Manifold Gasket Set (Pair) $57.99 Remflex PN 12-004 -- Pontiac, 326, 350, 370, 389, 400, 421, 428, 455 ('58-'79) Header, Large D Shaped Center Port, 2/Set Quantity: Add To Cart Added! Remflex PN 12-004 -- Pontiac, 326, 350, 370, 389, 400, 421, 428, 455 ('58-'79) Header, Large D Shaped Center Port, 2/Set Description1-1/8" x 1-15/16" D-Shaped Center & 1-1/2" x 1-15/16" Oval End Ports, HeaderSuggested Torque - Torque: 20 Ft. Lbs You Might Also Like Remflex 2002 Chevrolet, V8, Big Block Round Port for Header 396, 402, 427, 454 (Pair) $58.29 Remflex 11-002 Oldsmobile Exhaust Manifold Gasket Set (Pair) $57.99 Remflex 11-001 Oldsmobile 307, 330, 350, 403 Header Gaskets (Pair) $57.99 New Pontiac Firebird Trans Am Ram Air manifolds - 2 ¼” outlet inside diameter - D Port Sale Price: $425.00 Original Price: $495.00 Sale Remflex 12-001 Pontiac Exhaust Manifold Gasket Set (Pair) $57.99
