ARP Black Chromoly Washers

ARP Chromoly 8740 washers are a special hardened Steel washer with a Black Oxide coating suitable for high clamping load and high torque applications. Designed to be used in conjunction with ARP 8740 bolts and nuts but can be used with many other fasteners to provide a stable and even surface.

Available in a range of different sizes to suit both Metric and Imperial (UNF/UNC) thread sizes.