Moroso head bolt washers are chrome-moly 4130 washers specified for 7/16in head bolts, supplied in a 34-pack for rebuilds or engine assembly. These washers are intended to be used where 4130 chrome-moly hardware is specified for head fasteners, providing a full set for multiple cylinder heads or when replacing original washers during head installation.
Moroso Head Bolt Washers - 7/16in - 4130 Chrome Moly - 34 Pack