Tighter compression, cut cylinder heads? Time to replace your thin and corroded cylinder head washers? Our Mercury V6 (.105 thick, 3/8" ID) case-hardened cylinder head bolt washers are a great way to upgrade.
 
Includes 24 (.105 inch) thick case-hardened head bolt washers for running cut heads and thinner gaskets.
 
Contact Mike Hill at STVracer@yahoo with any questions.