Wilwood’s Washers are manufactured from high strength alloy steel or stainless steel and plated with an anti-corrosion finish or treatments.
Wilwood Washer .391in ID .625in OD .057in Thick - Steel/Zinc/Type II/Gold
WASHER,.391 IDx.625 ODx.057 AN960-616,GOLD COLOR
WASHER,.391 IDx.625 ODx.057
WASHER