Wilwood’s Washers are manufactured from high strength alloy steel or stainless steel and plated with an anti-corrosion finish or treatments.

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ARP Washer, Hardened, High Performance, Flat, 12mm ID, 25.3mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 10

ARP Washer, Hardened, High Performance, Flat, 12mm ID, 25.3mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 10

$21.24

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.725 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.725 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

$1.05

ARP Washer, Hardened, High Performance, Flat, 3/4 in. ID, 2.000 in. OD, Chromoly, Black Oxide, 0.275 in. Thick, Each

ARP Washer, Hardened, High Performance, Flat, 3/4 in. ID, 2.000 in. OD, Chromoly, Black Oxide, 0.275 in. Thick, Each

$14.16

ARP Washer, Insert, Washer, Insert, Chromoly, Black Oxide, .500 in. I.D, .567 in. O.D, Each

ARP Washer, Insert, Washer, Insert, Chromoly, Black Oxide, .500 in. I.D, .567 in. O.D, Each

$9.12

ARP Washer, Insert, Washer, Insert, .995 OD X 9/16 ID 2Pk

ARP Washer, Insert, Washer, Insert, .995 OD X 9/16 ID 2Pk

$18.75