Moroso 63860 - Drive Kit, Dry Sump & Vacuum Pump, Flange Style With Pulleys, GM LS

Steel 3 Inch long, Drive Mandrel. 3 Bolt flange type mandrel, fits ATI Balancer. Kit comes complete with mounting hardware, pulleys and spacers. • 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