These handy washers are made to protect the top of holes from galling or collapsing around studs or bolts. They’re ideal for head bolt holes, mid-motor plates, or any other high-wear area that requires a washer. Easy to install by just oversizing hole and pressing in washer. ARP Insert Washers are fully CNC machined from premium thru-hardened 8740 stock.

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

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 22mm OD, 4.1mm Thick, Stainless Steel, Polished, Set of 2

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ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.715 in. OD, Stainless Steel, Polished, 0.12 in. Thick, Set of 10

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ARP Washers, Chromoly, Black Oxide, .375 in. I.D., .720 in. O.D., Set of 10

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.750 in. OD, Chromoly, Black Oxide, rod bolt washer, 0.073 in. Thick, Each

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