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 *** SBF crank hub made from billet heat treated steel, has two .250" keyways 180 degree's apart. Uses six .375 bolts on a 2.782" bolt circle and is made to work with 6-71 thru 16-71 roots or screw superchargers.
This hub is for all internal balance small block Ford engines including 289, 302, 351 and many more. Hub measures from pulley mounting surface to crank gear 2.975".
RBS SUPERCHARGERS IS CLOSED UNTIL DEC 5TH. 
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