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 1/2Id 7/8Od Ss Washers

ARP 1/2Id 7/8Od Ss Washers

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ARP 1/4 in.ID .440 in.OD no chamfer black washers

ARP 1/4 in.ID .440 in.OD no chamfer black washers

$4.20

ARP 3/8 ID .720 OD black washers

ARP 3/8 ID .720 OD black washers

$4.52

ARP 1/2Id 7/8Od Ss Washers

ARP 1/2Id 7/8Od Ss Washers

$30.06

ARP 1/2Id 7/8Od Ss Washer

ARP 1/2Id 7/8Od Ss Washer

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Chromoly, Black Oxide, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Chromoly, Black Oxide, Set of 10

$7.41