200 4R Transmission 400+ Horsepower Heavy Duty Band- the band has increased surface area, which provides better holding power. We accomplish this by getting the whole band surface lined with our Hi Pro friction material. We add extra clutches in direct (8 clutches) and (3 clutches) in 4th gear. All clutches are Red Eagle Hi Pro friction material. 10 Vane pump kit. We also install a heavy duty pump slide spring and HD pressure regulator spring. Heat treated stator support. Heavy duty heat treated intermediate drum assembly. Hi Tech Valve body kit. .500 boost valve. .296 Reverse boost valve. Heavy Duty Pressure regulator valve- Up Dated New thrust washers. New bearings. New Bushings.