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, Flat, 3/8 in. ID, 1.200 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 2

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 1.200 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 2

$6.99

ARP Washer, Hardened, High Performance, Flat, 10mm ID, 19.1mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Flat, 10mm ID, 19.1mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 2

$4.94

ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Stainless Steel, Polished, Set of 2

ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Stainless Steel, Polished, Set of 2

$4.20

ARP Washers, Chromoly, Black Oxide, .437 in. I.D, .812 in. O.D, Individual

ARP Washers, Chromoly, Black Oxide, .437 in. I.D, .812 in. O.D, Individual

$8.88

ARP Washer, Hardened, High Performance, Chamfer, Flat, 12mm ID, 19.1mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 12mm ID, 19.1mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 10

$21.24

Trick Flow Head Bolt Washers, .510 in. I.D, .870 in. O.D, .120 in. Thick, Set of 20

Trick Flow Head Bolt Washers, .510 in. I.D, .870 in. O.D, .120 in. Thick, Set of 20

$52.35