Duramax 6.6L LGH Fuel Contamination Kit 11-16 GM 6.6L Duramax LGH XD518 XDP The added load and stress

The added load and stress from your modified Powerstroke can rapidly exceed the power that the rocker arm bridges can handle

The XD357 is pre-tested and ready for installation using the factory mounting locations

Each alternator comes pre-tested and is ready for installation

Just because you don't see physical signs of failure with your existing pushrods does not mean they can handle the power of your modified engine

This combination of manufacturing processes and materials results in a stronger pushrod giving you a quality component that helps to maximize valvetrain performance

Duramax 6.6L LGH Fuel Contamination Kit 11-16 GM 6.6L Duramax LGH XD518 XDP The added load and stressThe XDP Duramax 6. 6L LGH Fuel Contamination Kit XD518 includes the items you need to repair the fuel system in your 2011 2016 GM Duramax 6. 6L LGH after a CP4 injection pump failure. The factory CP4 pump is a known weak point and often fails in a catastrophic nature. As a result, debris from the CP4 failure typically contaminates the fuel injectors, fuel injector lines, fuel rails, and other fuel system plumbing. To repair the failed pump and