*** IN STOCK SHIPS TODAY *** For the racer that might service their own Enderle injector RBS carries a full supply of hardware that makes the job a much simpler task when you got the right parts for the job. If changing out butterflies or butterfly shaft not a bad idea to put in a new set of bolts and some new lock washers.
Bolts are socket head 10/24" x .500" stainless steel with #10 stainless steel lock washers. Buy one or buy lots the choice is your from the drop down menu.