Cometic copper exhaust manifold gaskets for Chevrolet Gen-1 small block V8 are .043" thick with 1.480" x 1.450" square ports. Made to pair with manifolds or headers without sealants, these copper gaskets withstand high cylinder pressures, resist burn-through and push-out, and help preserve torque settings across differing head and manifold material combinations.
Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.480in x 1.450in Square Ports