Mr. Gasket Head Bolt Washers

Mr. Gasket 1/2 inch Head Bolt Washer Kits are manufactured from high-grade steel and come in a corrosion-resistant zinc finish. Heat-treated to eliminate the chances of damaging cylinder head bosses during installation, they're .120-inch thick, engineered to deliver precise, consistent clamp load and optimum gasket seal every time, and come in sets of 20.