Exhaust Manifold Gasket Set

Exhaust Manifold Gasket Set for GM 305/350 CID engine. Use with 18-1977-1 Manifold. For: GM 305/350 CID engine. Replaces GLM 39910. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. Use with 18-1977-1 Manifold For: GM 305/350 CID engine Replaces GLM 39910 Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty