Suncoast CATEGORY 1 4R70W BILLET TORQUE CONVERTER 2 600-2 800 RPM SUN4R70W-3

This Category 2 rebuild kit for 4R70W/4R75W transmissions upgrades several components, including a heavy-duty intermediate shaft, Smart Tech forward clutch drum, and a Sonnax Zip Kit. It also features a new torque converter, Raybestos clutch modules, upgraded steel clutch module, and a Pro Series overdrive band. The kit includes new low/reverse band, molded piston kit, bushing kit, thrust washer kit, filter, overhaul kit (gaskets and seals), Torrington thrust bearing kit, updated direct drum thrust bearing, spiral retaining ring kit, new front pump bushing, heavy-duty forward sun gear, elevated pressure regulator spring, 2-3 accumulator piston, 1-2 accumulator kit with installation tool, and new Torlon check balls.