Manley hardened head bolt washers are available for a variety of applications. They receive a special heat treatment to prevent galling.

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ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 19.2mm OD, 2.3mm Thick, Stainless Steel, Polished, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 10mm ID, 19.2mm OD, 2.3mm Thick, Stainless Steel, Polished, Set of 10

$26.01

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Chamfer, Flat, 3/8 in. ID, 0.725 in. OD, Stainless Steel, Polished, 0.09 in. Thick, Set of 10

$20.52

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.625 in. OD, Chromoly, Black Oxide, 0.063 in. Thick, Set of 10

ARP Washer, Hardened, High Performance, Flat, 3/8 in. ID, 0.625 in. OD, Chromoly, Black Oxide, 0.063 in. Thick, Set of 10

$17.76

ARP Washer, 7/16ID Stainless Steel No Chamfer

ARP Washer, 7/16ID Stainless Steel No Chamfer

$3.01

MANLEY Washers, Intake Bolt, Chromoly, Polished, .125 in. Thick, Set of 16

MANLEY Washers, Intake Bolt, Chromoly, Polished, .125 in. Thick, Set of 16

$38.75

ARP Washer, Hardened, High Performance, Flat, 1/2 in. ID, 1.300 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

ARP Washer, Hardened, High Performance, Flat, 1/2 in. ID, 1.300 in. OD, Chromoly, Black Oxide, 0.12 in. Thick, Each

$3.01