Billet ARP Washers (10/Pkg)

These washers are precision CNC machined out of Billet 6061 aluminum right here in the USA, and are designed to fit ARP bolts perfectly. 

This listing is for a package of 10 washers, ARP bolts not included.

Outside dimensions are as follows

1/4"   OD: 0.673"

5/16" OD: 0.800"

3/8"   OD: 0.800"