In many hi-compression or big inch engines, head gaskets don’t do an adequate job of sealing combustion at cylinder and head. The solution is machine the cylinder to accept an O-ring in place of the gasket. Special Viton O-rings are used in this case. Sold Each.

Zipper’s Performance stocks most all gaskets, seals and o-rings individually. Contact Us with your specific needs!

Weight 1 lbs

Country of Origin

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