SunCoast Allison Billet Input Shaft, 2001-2010 LB7/LLY/LBZ/LMM

Part# A1-109600

$797.00 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2001 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Duramax Diesel

This SunCoast Performance input shaft is built to withstand everything thrown at it. Made from a select grade of super strength steel and machined with larger than O.E.M. radius at turbine spline for added strength, it is ready for high horsepower/torque 


  • 50% Stronger than the OEM shaft
  • 9310 vacumelt steel
  • Precision ground for the highest dimensional accuracy
  • Ideal for heavy duty and higher horsepower race competition


  • Earlier 2001-2005 model year trucks may require machining of the C1 hub or updating to later style C1 hub for billet input shaft to fit properly.