Rocker Arm Shafts For 01-19 GM 6.6L Duramax XDP Apparel The XDP Direct Replacement Alternator

The XDP Direct Replacement Alternator comes pre-tested and ready for installation

straight forward installation

Upgrade the weak link in your 2011-2019 Ford 6

These contaminants are known to damage many components in your cooling system

the bimetallic valve commonly fails in the closed position

Rocker Arm Shafts For 01-19 GM 6.6L Duramax XDP Apparel The XDP Direct Replacement AlternatorThe 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