Mr. Gasket aluminum layered exhaust gaskets are reusable header or manifold seals that conform to surface irregularities and warped flanges. They will not shrink, deteriorate, or blow out. They're available for a wide variety of port styles and sizes.  

Port Height (in.): 1.550

Port Width (in.): 1.450

Features include: * Manufactured from 0.125 in. "dead soft" aluminum layers * Compresses to .060 in. to create a tight, leak-proof seal * Can withstand intense exhaust heat * Resists deterioration * Easy removal * For high performance street, drag race, road racing, and oval track use

Fits: Chevrolet V8 265-400 1955-1991