Rocker Arm Shafts For 01-19 GM 6.6L Duramax XDP CP3 a remanufactured CP4 pump

a remanufactured CP4 pump

Protect the cooling system in your 1999

This extra step allows the X-TRA Cool Radiator to be securely mounted in the same factory locations as the stock radiator

bulletproof CP3 high pressure fuel pump

the plastic mix includes a fiber reinforcement that is added during construction to increase longevity and help eliminate another failure point

Rocker Arm Shafts For 01-19 GM 6.6L Duramax XDP CP3 a remanufactured CP4 pumpThe 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