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, 7/6 in. ID, 0.750 in. OD, Chromoly, Black Oxide, rod bolt washer, 0.073 in. Thick, Each

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

$2.10

ARP Washer, Hardened, High Performance, Flat, 10mm ID, 21.6mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Flat, 10mm ID, 21.6mm OD, 3mm Thick, Chromoly, Black Oxide, Set of 2

$4.94

ARP Washer, Insert, Washer, Insert, .250 in. Inside Diameter, .317 in. Outside Diameter, Set of 10

ARP Washer, Insert, Washer, Insert, .250 in. Inside Diameter, .317 in. Outside Diameter, Set of 10

$89.18

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, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Flat, 5/16 in. ID, 0.655 in. OD, 0.075 Thick, Chromoly, Black Oxide, Set of 2

$1.72