SunCoast Allison Transmission Modified Billet C2 Hub 04-19 GM 6.6L Duramax

This SunCoast manufactured Billet C2 Hub is heat treated and CNC machined to ensure trouble-tree installation in 2004-2019 GM Trucks. An additional lubrication hole has been machined into the hub to assist in lubrication of the P3 Sun Gear and pilot. Please be aware that this will only work with modified P1 Sun Gears.