• This shaft has been designed for those Higher Horsepower Engines, tested to 1,000 ft.lbs of torque.

• The Shaft is machined from 300 Maraging AMS 6541 material then Heat Treated for torsional strength and Precision Ground at all critical diameters.

• The Hub has been machined from 4140 HTSR steel and Nitride Heat Treated for additional durability.

• Shaft to Hub Splines have been increased from the O.E.M. spec of 28 to 35 - 25% more surface contact.