The 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.

Features:

• Replacement Drill Bit
• Long-Life Cobalt Steel Construction
• For Use With XDP Duramax Crankshaft Pin Kit XD331