Moroso 63858 - Drive Kit, Dry Sump & Vacuum Pump, Flange Style With Pulleys, Short, 3 Bolt BBC

Steel, 3 Inch Drive Mandrel for BBC. New style with indexing flange end. Kit contains two 1/2 inch pulleys and one 1 inch pulley, guide plates and hardware • Bolts to balancer–balancer does not need to be drilled like older designs • Pulleys are hard coat anodized and mandrel is black oxide for exceptional strength and extended service life • Kits include: one-piece, forged steel drive mandrel, 4" V-belt pulley for alternator, 2-1?2" V-belt pulley for vacuum pump, 1" (16 tooth) Gilmer pulley for external oil pump, guide plates, assorted spacers, belt guides and hardware