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, Insert, Washer, Insert, 5/16 in. ID - .380 in. OD, Each

ARP Washer, Insert, Washer, Insert, 5/16 in. ID - .380 in. OD, Each

$8.40

ARP Washer, Hardened, High Performance, Flat, 6mm ID, 22.6mm OD, 4.2mm Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Flat, 6mm ID, 22.6mm OD, 4.2mm Thick, Chromoly, Black Oxide, Set of 2

$11.22

ARP Washer, Hardened, High Performance, Flat, 9mm ID, 17mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Flat, 9mm ID, 17mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 2

$6.44

ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.660 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.660 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

$17.73

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.655 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.655 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Set of 10

$17.64

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 19.1mm OD, 3mm Thick, Chromoly, Black Oxide, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 19.1mm OD, 3mm Thick, Chromoly, Black Oxide, Each

$2.49