*** BBC IN STOCK SHIPS TODAY *** CURRENTLY SBC IS OUT OF STOCK *** For the racer that changes engine combinations or possibly is building a one off set-up RBS can help with these billet alum. fuel/oil pump mandrels. Mandrels include a crank bolt, crank bolt washer and a piece of 1/8" key stock.
Mandrel is machined to allow the racer 2.250" of adjustment to move the acc. drive pulley on the mandrel. There are two flats machined to give the set screw a spot to locate on and lock the pulley down once the location is picked.
Mandrel has a male register on the backside to register in the harmonic dampner. BBC register is 1.600" x .100", SBC register is 1.245" x .250". BBC crank bolt is 1/2"-20 threads, SBC crank bolt is 7/16"-20. Mandrel length from backside mount surface to front on BBC is 3.500", SBC is 3.250".
Racer can pick engine type from drop down menu.