The Industrial Injection 0 986 437 303SHOSE Remanufactured 42% CP3 Pump are the pinnacle of what you should expect out of a CP3 injection pump for your 2001-2004 GM 6.6L LB7 Duramax. Each injection pump is brought in direct from the OE supplier and then engineered at their facility using OE spec parts and calibration procedures. This extensive calibration process is performed to guarantee our customers the smoothest and most reliable CP3 injection pump the diesel industry has ever seen. The modified +42% CP3 fuel injection pump flows 42% more fuel than a stock pump and adds 100 HP+ depending on how the truck is setup. This CP3 was created to keep up with the demands of aggressive fueling and tuning.

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