*** IN STOCK SHIPS TODAY 3/8" STEEL ***" PSI splined center flange Hemi bearing support crank hub. Made from billet heat treated steel or titanium this hub has splines instead of keyways to try and prevent the dreaded crank hub to crankshaft galling that is a common occurrence when running a blown Hemi engine.
Uses 2.782" bolt circle with twenty six tooth spline and is made to work with 4-71 thru 18-71 roots and screw superchargers. This hub is for all internal balance Hemi engines including 426, 440, KB, BAE, TFX, CN and many more.
Hub measures from pulley mounting surface to crank gear 2.70" and works with Bryant and Winberg crankshafts with the PSI spline.
Racer must use a center flange bottom blower pulley with this type of crank hub. Hub is designed to be used with 3/4" crank bolt.
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