Crankshaft Pin Kit 01-16 GM 6.6L Duramax XD331 XDP 6.7 Turbo You will need custom tuning

You will need custom tuning for these to run to their full potential

the billet aluminum adapter is specially machined to snap into the OEM location

the XDP Competition & Race Pushrods are made from only the highest quality materials

**We Highly Recommend adding these products for best results:**

Internal Regulator

Crankshaft Pin Kit 01-16 GM 6.6L Duramax XD331 XDP 6.7 Turbo You will need custom tuningAvoid catastrophic engine failure from a sheared dowel pin in your 2001 2016 GM 6. 6L Duramax with the XDP Duramax Crankshaft Pin Kit XD331. From the factory, your Duramax uses a dowel pin on the crankshaft to hold the balancer in place. In both stock and performance applications, these dowel pins are easily sheared causing the balancer to spin on the snout of the crankshaft. When this balancer spins, it can throw off the balance of the engine and