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 *** Pontiac crank hub made from billet heat treated steel, has one .250" and one .187" keyway 180 degree's apart. This hub is for all internal balance Pontiac engines with a 1.375" crank snout, including 350, 400, 455 and many more.
Uses six .375" bolt holes on a 2.782" bolt circle with an 2.00" pulley register and is made to work with 4-71 thru 16-71 roots superchargers. Hub measures from pulley mounting surface to crank gear 2.900".
Hub does includes a piece of timing tape. RBS can provide a 7.00" bolt on degree ring for additional cost #2300-0032.
RBS SUPERCHARGERS IS CLOSED UNTIL DEC 5TH. 
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