Wilwood’s Washers are manufactured from high strength alloy steel or stainless steel and plated with an anti-corrosion finish or treatments.
Willwood Washer .391 ID x .625 OD x .063 Alloy Steel Silver
WASHER,.391 IDx.625 ODx.063,AN960-616 HRc38-45,320 SILVER
WASHER,.391 IDx.625 ODx.063,AN960-616
WASHER