Driveshaft Shop PONTIAC 2008-2009 G8 / CHEVY SS 1400HP Level 5 Axle/Hub KitProduct Description The new Level 5 G8 axle hub kit is designed to handle up to 1400HP, featuring our larger chromoly center bars, 108mm Porsche style CV's and bolt on chromoly inner stubs, these go a step further than the Level 4 axles by increasing the spline size going into the hub to 33 (factory is 30 spline) and includes new hubs to accomodate the larger spline that will fit the OE wheel bearings (not included). The kit comes complete with all