Hardened ARP Special Purpose washers are parallel-ground from premium chromoly. They are available in a variety of sizes and thicknesses for use on virtually any application. Special connecting rod washers are available, as are some of the popular metric sizes. Build up your supply so you don't get caught short when the need arises.

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 1.200 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 1.200 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

$38.76

ARP Washer, Insert, Washer, Insert, 3/8 in. ID - .443 in. OD, Pair

ARP Washer, Insert, Washer, Insert, 3/8 in. ID - .443 in. OD, Pair

$19.15

ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.765 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.765 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Set of 10

$28.73

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

$10.07

ARP Washers, Chromoly, Black Oxide, .375 in. I.D., .443 in. O.D., Set of 10

ARP Washers, Chromoly, Black Oxide, .375 in. I.D., .443 in. O.D., Set of 10

$74.39

ARP Washer, Hardened, High Performance, Flat, 6mm ID, 25.1mm OD, 1.7mm Thick, Chromoly, Black Oxide, Each

ARP Washer, Hardened, High Performance, Flat, 6mm ID, 25.1mm OD, 1.7mm Thick, Chromoly, Black Oxide, Each

$2.38