XDP XD385 Rocker Arm Shafts 01-19 GM 6.6L Duramax BD-1062013 Refundable core charge will be

Refundable core charge will be reduced if the core has damage to the electronic module sealing surface

The Techni-Cooler system for 1999 and Early 1999

This product is manufactured and rebuilt in the USA

They are perfect for those who tow heavy loads and want more responsive power

XDP XD385 Rocker Arm Shafts 01-19 GM 6.6L Duramax BD-1062013 Refundable core charge will beMinimize oiling issues that can cause excessive wear on the valvetrain in your Duramax with the XDP Rocker Arm Shafts. From the factory, the oil supply to the rocker arm is shut off as the valve is opened. This lack of lubrication can cause issues and excessive wear especially in high performance applications. The XDP Shafts feature revised oil grooves that align with the oil hole in the bushing so you maintain a consistent oil supply. These shafts