*** IN STOCK SHIPS TODAY *** This is the standard fastener that is used to hold the ATI dampner shell to the RCD dampner spacer. Don't get caught on a Friday night at midnight with a stripped screw. Carry a few extra in your tool box and you will be good to go.
Bolt is 5/16-18" x 1.00" Torx 40 heat-treated steel. Bolts are black oxide coated and sold each.