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• Not your ordinary hardware store variety!
• Moroso Head Bolt Washers are designed for the racer machined from tough 4130 chrome moly steel, heat treated to proper hardness and parallel-ground
• Stress loads are more evenly distributed and torque readings more accurate
• Can also be used on main bearing caps, rocker arm stands, and other engine components
• Use them over and over again
• Note: These washers are a must when using aluminum heads, Chamfered side of the washer should be toward the head of the bolt
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