ARP 3/8 x 3/4" Head Bolt Insert Washer Kit # 200-8572

ARP 3/8 x 3/4" Head Bolt Insert Washer Kit # 200-8572
Washers, Chromoly, Black Oxide, .375 in. I.D., .443 in. O.D., Set of 10
Washer Outside Diameter (in):0.443 in.
Washer Outside Diameter (mm):11.252 mm
Washer Inside Diameter (in):0.375 in.
Washer Inside Diameter (mm):9.525 mm
Washer Material:Chromoly
Washer Finish:Black oxide
Inside Diameter Chamfer:No
Hardened:Yes
Quantity:Sold as a set of 10.
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.