XDP XD331 Duramax Crankshaft Pin Kit 01-16 GM 6.6L Duramax ICON-K67100 the valve opens automatically to

the valve opens automatically to regulate sufficient backpressure

In the event you have an AutoCal originally from another tuner

and the o-ring for the connector tubes

this Intercooler kit from Banks Power is a must have

XDP XD331 Duramax Crankshaft Pin Kit 01-16 GM 6.6L Duramax ICON-K67100 the valve opens automatically toXDP specifically designed this crank shaft pin kit to fix the all too common shearing of factory dowel pins, resulting in broken crank shafts. This kit can be used on stock or heavily modified vehicles. It has a very simple procedure that can be done by your average skilled mechanic. Due to the poor design process of keying drive gears on the Duramax crank shaft, a random light vibration can be found during idle. This is found after dampers spin on