GM 4L60E Transmission Power Pack Master Rebuild Kit 1997-03 Level 2 Corvette This kit has all of your Alto Friction Plates, 3-4 PowerPack, Steel Plates, Sealing Rings, Metal Clad Seals, Gaskets, Orings & Bonded Rubber Pistons + Corvette Filter, Band, Pump Bushing, Ext Hsg Bushing! This pack comes with the Alto PowerPack for the 3-4. This PowerPack has additional clutches to increase friction plate capacity. This allows for an increased torque load with reduced heat generation. Note: This kit comes with a Corvette filter, if you have a Shallow pan, or Deep pan Please see our other listings