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, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.705 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.705 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

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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

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 14mm ID, 39.4mm OD, 7mm Thick, Chromoly, Black Oxide, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 14mm ID, 39.4mm OD, 7mm Thick, Chromoly, Black Oxide, Each

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Trick Flow Head Bolt Washers, Steel, Black Oxide, .450 in. to .813 in, .115 in. Thick, Set of 10

Trick Flow Head Bolt Washers, Steel, Black Oxide, .450 in. to .813 in, .115 in. Thick, Set of 10

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