1.500 Dia. SBC Copper Embossed Exhaust Gasket

The 1.500 Dia. SBC Copper Embossed Exhaust Gasket from SCE Gaskets is an essential component for any small-block Chevrolet engine build or restoration. This gasket seals the critical interface between your exhaust manifold and cylinder head, preventing exhaust leaks that compromise performance, fuel economy, and overall engine efficiency. Whether you're assembling a street engine, daily driver, or race-oriented platform, a quality exhaust gasket is non-negotiable—and this copper embossed design delivers the reliability you need for long-term durability.

Constructed with copper embossing around the 1.500-inch port diameter, this gasket combines two proven sealing technologies: the thermal conductivity of copper and the conformability of a graphite-composite facing. Copper embossing creates raised contact points that bite into the manifold and head surfaces, maintaining a seal even under thermal cycling—the repeated expansion and contraction that occurs during engine operation. The embossed design prevents gasket creep, a common failure mode in stock or upgraded exhaust systems where increased exhaust velocity and temperature stress the seal. SCE Gaskets engineered this product to handle both naturally aspirated and forced-induction applications, making it versatile across SBC platforms from 262 to 400 cubic inches.

This gasket suits rebuilds, performance upgrades, and OEM replacements on any small-block Chevrolet engine. Installation is straightforward: clean the mating surfaces thoroughly, apply a thin bead of high-temperature gasket sealant if desired, position the gasket, and torque the manifold bolts in a cross pattern to manufacturer specifications. The compact 5.65 x 0.2 x 23.5-inch footprint fits standard exhaust manifold bolt patterns. Mechanics and enthusiasts trust SCE's copper embossed design for leak-free, lasting performance across street, strip, and marine applications—making this gasket a smart choice for any SBC project where reliability matters.