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.

More From This Category

ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Stainless Steel, Polished, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Stainless Steel, Polished, Set of 10

$17.97

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.625 in. OD, Stainless Steel, Polished, 0.063 in. Thick, Each

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.625 in. OD, Stainless Steel, Polished, 0.063 in. Thick, Each

$1.33

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

$19.05

Strange ,Washer, Steel, Black Oxide, 1/2 in. I.D, 0.063 in. Thick, Each

Strange ,Washer, Steel, Black Oxide, 1/2 in. I.D, 0.063 in. Thick, Each

$0.63

ARP Washer, Hardened, High Performance, Flat, 9/16 in. ID, 1.000 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

ARP Washer, Hardened, High Performance, Flat, 9/16 in. ID, 1.000 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

$1.93