Crankshaft Pin Kit 01-16 GM 6.6L Duramax XD331 XDP 6.7 Turbo We recommend the use of

We recommend the use of Mahle 54556A or Cummins 3958645

Internal Regulator

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

4L Powerstroke running in the most extreme environments

Crankshaft Pin Kit 01-16 GM 6.6L Duramax XD331 XDP 6.7 Turbo We recommend the use ofAvoid 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