SonnaxInput Shaft

Input shaft failure is common as power levels are increased in Ford AODE, 4R70E, 4R70W, 4R75E and 4R75W units. Sonnax heavy duty input shaft 76655A-HD is precision engineered for unrivaled performance in high-horsepower applications. Machined from 300M ultra high-strength steel for exceptional toughness and manufactured with improved turbine-end splines to prevent breakage, the shaft also features revised sealing ring grooves for increased strength and resistance to fracture. Suitable for any high-horsepower street, towing or competition application Specially heat-treated and processed for maximum toughness and straightness Manufactured from 300M ultra high-strength steel for maximum strength and resistance to fracture

Input Shaft; Heavy Duty