Billet Steel C2 Clutch Hub for high torque/horsepower applications made from 4140 HTSR Billet Steel with a Zinc Chromate Finish.
Spline is lengthened .125″ for more contact, plus a spline boss diameter increase of .100″ for added strength.
Comes with a modified thrust washer.
Modified P1 Sun Gear included.
3500 Silverado Sierra 6.6L V8 Duramax diesel:
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 20102012, 2013, 2014, 2015, 2016 *
