RBS SUPERCHARGERS IS CLOSED UNTIL DEC 5TH.
Online ordering will be available from November 25th, - Dec 5th. No phone or email will be available at this time. We apologize in advance, for any inconvenience this may cause and look forward to welcoming you back on December 5, 2024.
*** IN STOCK SHIPS TODAY *** The hub is made from billet heat treated steel, has one .250" and one .187" keyway 180 degree's apart. Uses six .375" bolts on a 2.782" bolt circle and is made to work with 4-71 thru 18-71 roots or screw superchargers.
Hub measures from pulley mounting surface to crank gear 2.250" and has a long nose on the front to work with an external crank support. End of crank hub is machined with a provision to drive a mandrel off the end of the crank if the racer chooses.
RBS carries a full line of keystock, degree rings, crank trigger components or crank supports which can all be purchased separate by the racer if needed.
RBS SUPERCHARGERS IS CLOSED UNTIL DEC 5TH. 
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