A true high performance washer from ARP, available in a variety of sizes and thickness, and with or without ID (inside diameter) chamfers. Our washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened.

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

$6.75

ARP Washer, Flat Washer, 0.440 in. Outer Diameter, 0.250 in. Inner Diameter, Chromoly, Black Oxide, Each

ARP Washer, Flat Washer, 0.440 in. Outer Diameter, 0.250 in. Inner Diameter, Chromoly, Black Oxide, Each

$1.86

ARP Washer, Hardened, High Performance, Flat, 10mm ID, 19.1mm OD, 3mm Thick, Stainless Steel, Polished, Set of 2

ARP Washer, Hardened, High Performance, Flat, 10mm ID, 19.1mm OD, 3mm Thick, Stainless Steel, Polished, Set of 2

$6.20

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

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

$2.10

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