Cometic head and base kit for a 3-9/16-inch bore with a .030-inch head gasket and .018-inch base. The multi-layer design conforms load distribution across sealing surfaces and requires less clamp load, which helps minimize bore distortion. No sealants or re-torque are needed, delivering reliable sealing performance in smaller-bore engine builds.
Cometic Millennium 3-9/16in Bore Head & Base Kit .030in H/G & .018inB/G