ARP insert washers are designed to protect the top of the bolt holes from galling or collapsing around studs or bolts. They are fully CNC-machined from premium through-hardened 8740 stock.

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ARP Washer, Insert, Washer, Insert, .995 OD X 1/2 ID 2Pk

ARP Washer, Insert, Washer, Insert, .995 OD X 1/2 ID 2Pk

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 22mm OD, 3.2mm Thick, Chromoly, Black Oxide, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 22mm OD, 3.2mm Thick, Chromoly, Black Oxide, Each

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ARP Washer, Hardened, High Performance, Flat, 5/16 in. ID, 0.675 in. OD, 0.120 Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Flat, 5/16 in. ID, 0.675 in. OD, 0.120 Thick, Chromoly, Black Oxide, Set of 2

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 1/4 in. ID, 0.550 in. OD, 0.075 Thick, Stainless Steel, Polished, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 1/4 in. ID, 0.550 in. OD, 0.075 Thick, Stainless Steel, Polished, Each

$1.54

ARP Washer, Insert, Washer, Insert, .875 OD X 7/16 ID 2Pk

ARP Washer, Insert, Washer, Insert, .875 OD X 7/16 ID 2Pk

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 1/4 in. ID, 0.550 in. OD, 0.075 Thick, Chromoly, Black Oxide, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 1/4 in. ID, 0.550 in. OD, 0.075 Thick, Chromoly, Black Oxide, Each

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