This Cometic copper exhaust manifold gasket set is made for Pontiac 326–455 CID V8 applications and is specified at .043" thickness with 2.000" x 1.550" D-ports. Built to withstand extreme cylinder pressures, the MLS-style construction maintains torque, resists corrosion, will not burn through or push out, and is intended for manifold or header combinations without the need for sealants.
Cometic Pontiac 326-455 CI V8 .043in Copper Exhaust Manifold Gasket Set - 2.000in x 1.550in D-Ports