TCS Torqueflite 727 High Torque Input Shaft & Hub 129600
This shaft has been designed for those higher horsepower engines, tested to 1,000 ft.lbs of torque. The Shaft is machined from select aerospace alloy steel to withstand high fatigue and torsional loads. Heat treated for torsional strength and precision ground at all critical diameters. The Hub has been machined from 4140 HTSR steel for additional durability. Shaft to Hub Splines have been increased from the O.E.M. spec of 28 to 35 – 25% more surface contact.