Billet Rocker Arm Valve Bridge Set 01-16 GM 6.6L Duramax XDP Powerstroke 6.7 Using Thread Cleaning Chasers ensures Fuel Injector Lines 50-74004 No Turbo size:Billet S472/83/.90

Using Thread Cleaning Chasers ensures that you are able to properly clean the threads in your engine block before the installation of any studs or fasteners

A turbocharger installation kit is also provided with an up-pipe to turbo gasket

If your engine configuration is exceeding factory RPM limits a Performance Series head with higher valve spring rates is required

Each XDP alternator comes backed by the XDP 1-year/unlimited mileage warranty and is pre-tested with results in the box

Each spring is computer load mapped and then matched within 1 lb of seat pressure followed by a stress relief process to ensure quality and long-term reliability

Billet Rocker Arm Valve Bridge Set 01 16 GM 6.6L Duramax XDP Powerstroke 6.7 Using Thread Cleaning Chasers ensures Fuel Injector Lines 50 74004 No Turbo size:Billet S472 83 .90 Using Thread Cleaning Chasers ensures that you are able to properly clean the threads in your engine block before the installation of any studs or fasteners A turbocharger installation kit is also provided with an up pipe to turbo gasket