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, Flat, 8mm ID, 14.5mm OD, 1.6mm Thick, Chromoly, Black Oxide, Set of 10

ARP Washer, Hardened, High Performance, Flat, 8mm ID, 14.5mm OD, 1.6mm Thick, Chromoly, Black Oxide, Set of 10

$19.43

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.625 in. OD, 0.120 Thick, Stainless Steel, Polished, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.625 in. OD, 0.120 Thick, Stainless Steel, Polished, Each

$3.30

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ARP Washer, Hardened, High Performance, Flat, 8mm ID, 14.5mm OD, 1.6mm Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Flat, 8mm ID, 14.5mm OD, 1.6mm Thick, Chromoly, Black Oxide, Set of 2

$3.87

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ARP Washer, Hardened, High Performance, Flat, 7/6 in. ID, 0.765 in. OD, Chromoly, Black Oxide, 0.09 in. Thick, Set of 2

ARP Washer, Hardened, High Performance, Flat, 7/6 in. ID, 0.765 in. OD, Chromoly, Black Oxide, 0.09 in. Thick, Set of 2

$3.97

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Dart Washer, Lock -M8 Zinc

Dart Washer, Lock -M8 Zinc

$0.35

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ARP Washer, Hardened, High Performance, Flat, 6mm ID, 25.1mm OD, 1.7mm Thick, Chromoly, Black Oxide, Set of 10

ARP Washer, Hardened, High Performance, Flat, 6mm ID, 25.1mm OD, 1.7mm Thick, Chromoly, Black Oxide, Set of 10

$23.90

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