XDP Long-Life Cobalt Steel Drill Bit XD509 For 2001-2016 GM 6.6L Duramax (For Use With XDP Duramax Crankshaft Pin Kit XD331) 6.4 performance Keeping your cooling system free

Keeping your cooling system free from debris such as casting sand

Billet 4140 Chromoly Construction

without sacrificing any drivability

Low Pressure Fuel Feed Line

5-2009 Dodge 6

XDP Long-Life Cobalt Steel Drill Bit XD509 For 2001-2016 GM 6.6L Duramax (For Use With XDP Duramax Crankshaft Pin Kit XD331) 6.4 performance Keeping your cooling system freeThe XDP Long Life Cobalt Steel Drill Bit XD509 is a replacement drill bit for the XDP Duramax Crankshaft Pin Kit XD331 on your 2001 2016 GM 6. 6L Duramax. This drill bit is the same high quality bit that comes with the XDP Crankshaft Pin Kit, and is available separately for shop owners or enthusiasts that are performing this procedure multiple times. As a general rule of thumb this drill bit should be replaced after being used around 2 4 times.