*** IN STOCK SHIPS TODAY *** RBS stocks all the small parts to fit today's fuel injector's. This arm fits all today's Enderle square and K-style barrel valves as well as most other barrel valves that use a 5/16" serrated shaft. 10/24 threads are tapped into the arm the hook up barrel valve linkage. Made from billet alum. and black anodized.
Arm can also be used on 5/16" serrated shaft fuel shut offs.