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, Insert, Washer, Insert, Chromoly, Black Oxide, .312 in. I.D, .625 in. O.D, Pair

ARP Washer, Insert, Washer, Insert, Chromoly, Black Oxide, .312 in. I.D, .625 in. O.D, Pair

$16.80

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Each

$2.38

ARP Washer, Hardened, High Performance, Flat, 7/6 in. ID, 0.875 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

ARP Washer, Hardened, High Performance, Flat, 7/6 in. ID, 0.875 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

$2.10