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Cometic head and base kit for a 3-9/16-inch bore with a .027-inch head gasket and .018-inch base. The MLS-inspired construction evens load across the sealing area and requires less clamp load to reduce bore distortion. No additional sealants are required, offering straightforward installation and consistent sealing for compact-bore applications where maintaining bore geometry matters.
Cometic Millennium 3-9/16in Bore Head & Base Kit .027in H/G & .018inB/G
