The Sun Coast A1-109600 Billet Input Shaft for your 2001-2010 GM 6.6L Duramax is designed for higher horsepower/torque engines, this performance product has been tested in excess of 1,800 ft/lbs of torque. It is machined from 9310 VACU-MELT material then Heat Treated for torsional strength and precision ground on all critical diameters.

FEATURES:

Designed For High HP Applications
Heat Treated For Strength
9310 Vacu-Melt Material