Cummins S300-S400 Turbo Installation Kit 2007.5-2012 Fuel Injector *Holders warranty does not cover Fuel Injector Lines 50-74004 No Turbo size:Billet S472/83/.90

*Holders warranty does not cover fuel/oil contamination or improper installation*

the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms

For 24V Engines Only (for 12V engines

5" ported housing with drilled anti-surge for better flow

Cummins SuperSport CP3 – New – (higher output >3

Cummins S300 S400 Turbo Installation Kit 2007.5 2012 Fuel Injector *Holders warranty does not cover Fuel Injector Lines 50 74004 No Turbo size:Billet S472 83 .90 *Holders warranty does not cover fuel oil contamination or improper installation* the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms