Head Bolt Washer - 0.810 in OD - 0.437 in ID - 0.120 in Thick - Heat Treated - Chromoly - Natural - Head Bolts - Small Block Chevy / V6 - Set of 34

Moroso Head Bolt Washers - 7/16in - 4130 Chrome Moly - 34 Pack

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Moroso Head Bolt Washers - 7/16in - 4130 Chome Moly - 34 Pack

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Head Bolt Washers, Chromoly, Black Oxide, .438 in. Inside Diameter, .120 in. Thick, Set of 34

Not your ordinary hardware-store variety of washers. Moroso head bolt washers are designed for the racer. They're machined from tough 4130 chromoly steel, heat-treated to proper hardness, and parallel-ground so that stress loads are more evenly distributed and torque readings are more accurate. They can also be used on main bearing caps, rocker arm stands, and other engine components and can be used over and over again.