Exhaust Header Gaskets, Graphite, D-port, Pontiac V8, Pair

 Pontiac, 326, 350, 370, 389, 400, 421, 428, 455 ('58-'79), 2/Set.

Fits 1958-1979 Pontiac V8 326-455 EXCEPT RAM AIR IV/SUPER DUTY

Port Sizes: 

1-3/8" x 1-13/16" End Ports

Two Separated Center Ports 

• Seals Warped Flanges

Remflex exhaust gaskets come in a standard 1/8-inch thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16-inch! 

• Won’t Burn Out

100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F—far exceeding that of any vehicle’s exhaust system temperature!