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.

More From This Category

ARP Washer, Hardened, High Performance, Chamfer, Flat, 1/2 in. ID, 0.875 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 2

ARP Washer, Hardened, High Performance, Chamfer, Flat, 1/2 in. ID, 0.875 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 2

$4.80

ARP Washer, Hardened, High Performance, Chamfer, Flat, 12mm ID, 22.2mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 12mm ID, 22.2mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 10

$21.24

ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.765 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 7/6 in. ID, 0.765 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

$3.01

ARP Washer, Flat Washer, 0.750 in. Outer Diameter, 0.438 in. Inner Diameter, Chromoly, Black Oxide, Set of 10

ARP Washer, Flat Washer, 0.750 in. Outer Diameter, 0.438 in. Inner Diameter, Chromoly, Black Oxide, Set of 10

$18.54

ARP Washer, Hardened, High Performance, Flat, 1/2 in. ID, 0.875 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Flat, 1/2 in. ID, 0.875 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 10

$19.14

ARP Washer, Hardened, High Performance, Flat, 7/6 in. ID, 0.705 in. OD, Chromoly, Black Oxide, 0.09 in. Thick, Each

ARP Washer, Hardened, High Performance, Flat, 7/6 in. ID, 0.705 in. OD, Chromoly, Black Oxide, 0.09 in. Thick, Each

$2.10