ARP quality general purpose washers have an oversized I.D. to clear most under-bolt head radii. They're available in your choice of black oxide or rust-resistant stainless steel for 1/4, 5/16, 3/8, 7/16, and 1/2 in. shank bolts and studs. Whatever the application, these washers are sure to do the job.

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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

$21.63

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 16mm OD, 1.9mm Thick, Stainless Steel, Polished, Set of 2

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 16mm OD, 1.9mm Thick, Stainless Steel, Polished, Set of 2

$6.20

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.675 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 2

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.675 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Set of 2

$4.52

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.750 in. OD, Stainless Steel, Polished, 0.12 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.750 in. OD, Stainless Steel, Polished, 0.12 in. Thick, Set of 10

$26.88

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 22mm OD, 3.2mm Thick, Chromoly, Black Oxide, Set of 2

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 22mm OD, 3.2mm Thick, Chromoly, Black Oxide, Set of 2

$14.97

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.875 in. OD, Chromoly, Black Oxide, O.D. Chamfer, 0.015 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.875 in. OD, Chromoly, Black Oxide, O.D. Chamfer, 0.015 in. Thick, Set of 10

$26.88