Rocker Arm Shafts For 01-19 GM 6.6L Duramax XDP 0L Powerstroke with the XDP

0L Powerstroke with the XDP Remanufactured Fuel Injector (Stock HP) XD470

and even studs from other brands

It is also recommended that you change your lines during fuel injector replacement to avoid the risk of contaminating the new components

XDP X-TRA Slick Engine and Fastener Assembly Lubricant (Sold Separately):

6L Duramax LBZ and LMM

Rocker Arm Shafts For 01-19 GM 6.6L Duramax XDP 0L Powerstroke with the XDPThe XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001 2019 GM 6. 6L Duramax engines. From the factory, the oil supply to the rocker arm is shut off as the valve is opened. This lack of lubrication can cause excessive wear on your valvetrain and premature failures, especially in high performance applications. The XDP Shafts feature revised oil grooves that align with the oil hole in the bushing so you