Moroso 63887 - Drive Mandrel Kit, Lower Blower Chrysler

DRIVE MANDREL, CHRYSLER GEN 2. HEMI WITH ROOTS STYLE BLOWER, MANDREL LENGTH MINUS FLANGE 2.990" · Drive kit designed for all Chrysler and RCD based crankshaft pulley snouts · Steel mandrel bolts to aluminum spacer for maximum strength for two-Step and high torque applications · 3/8" Bolt on a 2.782" bolt pattern and clears a 2.000" crankshaft hub register · Will clear a 1.00" tall crankshaft bolt head · Includes Top Fuel spec. blower pulley bolts with full shoulder and radius head for complete and correct installation the first time · Drive pulleys not included