Wilwood’s Crush Washers are made from either copper or aluminum construction and promote sealing when used in conjunction of straight thread or banjo style inlets or outlets.
Wilwood Copper Soft Tempered Washer - 0.406in ID x 0.625in ID
WASHER,.406 IDx.625 ODx.063 COPPER,SOFT TEMPERED
WASHER,.406 IDx.625 ODx.063
WASHER