Industrial Injection 436406 CP4 to CP3 Conversion Kit with 120% Over Pump 11-16 6.6L GM Duramax LML 64powerstrokeperformance Each shock is crafted and

Each shock is crafted and customized for your vehicle

or the smaller diameter plugs under the valve cover

Emissions Disclaimer: This product does not require a CARB EO#

While the principle design of the Holset HE351VE VGT Turbo found in your 6

Industrial Injection 436406 CP4 to CP3 Conversion Kit with 120% Over Pump 11-16 6.6L GM Duramax LML 64powerstrokeperformance Each shock is crafted andWith the release of the LML Duramax in 2011, GM made the switch from the reputable CP3 injection pump to the lower output CP4 pump, simply because they deemed it was Is good enough for you and your truck? We've seen numerous failures of the CP4 on stock trucks, let alone even slightly modified trucks that chew them up and spit them out. Industrial Injection has this complete conversion kit that delivers everything you need to swap out your failure