Ford 4R100/E4OD Transmission Deluxe Rebuild Kit 2001-UP Level 2 Has all your Alto Friction Plates, Steel Plates, 4WD Filter, Intermediate Band, Complete Bushing Kit, Sealing Rings, Metal +Clad Seals, Gaskets, O-rings, Rubber Piston Seals + Servo Piston, Overdrive clutch bonded piston, Coast Clutch bonded piston, Low/Rev (Rear) Sprag, Intermediate Heavy Duty 45 Lugs, Overdrive Spiral Snap ring, Torrington Bearing kit, & Transgo Accumulator Kit!! This kit includes two upgrades and additional parts to improve the longevity of your rebuild. The spiral updated snap ring that holds the overdrive return spring. This kit also has your Transgo accumulator kit to replace your worn original equipment .372 diameter aluminum valve and bushing that can cause soft shifts with the improved steel .371 Line Boost valve & Bushing! This kit fixes the common wear areas in the E4OD/4R100! The original aluminum clutch line regulator valves shed the hard plating on the ends, scratch the bore stick. Resulting in burned clutches and missing shifts. Replace with 3 New Hard Steel Regulator Valves that fit all E4OD’s/4R100 and fix the problem! NOTE: This kit comes with a 4WD filter. If you have a 2WD vehicle, please leave a message in the transaction or call us and we will ship you a 2WD filter instead. All these Kits have Clutches Manufactured by Alto Products, and Gasket Sets Mfg by TRANSTEC.