Fleece Tufshafts Axle Upgrade For 2001-2010 GM 2500HD 3500HD 4WD 6.0L 6.6L 9.25" ford Each 10-inch S8 bar emits

Each 10-inch S8 bar emits 6

which translates to more power and mileage potential

2015-2018: +135 HP / +325 lb-ft

9/16-18 o-ring port plug

or Mono-Leaf rear)

Fleece Tufshafts Axle Upgrade For 2001-2010 GM 2500HD 3500HD 4WD 6.0L 6.6L 9.25" ford Each 10-inch S8 bar emitsThe Fleece FPE TUFSHAFTS TufShafts Axle Upgrade is designed for your 01 10 GM 2500HD 3500HD with a 9. 25 AAM front axle. They are designed to eliminate the stock passenger side split axle shaft that is prone to breaking under high torque situations, as well as the short drive side axle shaft that is prone to breaking under high torque situations as well. The TufShafts are made from high strength HyTuf material for maximum strength and reliability.