Moroso 38310 - Washers, Head Bolt, 1/2 In

Chrome Moly Head Bolt Washers 4130 Chrome Moly Steel 0.5 in. 30 Per Pack • 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