The Sun Coast A1-109100 Billet 4X Output 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.
- Designed For High HP Applications
- Heat Treated For Strength
- 9310 Vacu-Melt Material
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