Moroso 38310 Moroso Head Bolt Washers - 1/2in - 4130 Chrome Moly - 30 Pack

1/2", Small Block and 90 V6 Chevy, Pack of 30

• 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
• Durable and re-usable

Note: These washers are a must when using aluminum heads, Chamfered side of the washer should be toward the head of the bolt