*** IN STOCK SHIPS TODAY *** Chrysler crank hub made from billet heat treated steel, has one .250" and one .187" keyway 180 degree's apart. Uses six .375" bolt holes on a 2.782" bolt circle with an 2.00" blower pulley register and is made to work with 4-71 thru 16-71 roots superchargers.
This hub is for all internal balance Chrysler engines including 318, 340, 360, 383, 440 and many more that use a 1.530" crank snout. Hub measures from pulley mounting surface to crank gear 3.080".
Hub does includes a piece of timing tape. RBS can provide a 7in. bolt on degree ring for additional cost #2300-0032.