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Not Available to Ship to California
This is the Industrial Injection Stage 1 Modified Bosch CP4 fuel injection pump for the 2011 to 2015 Chevy/GM Duramax 6.6L LML diesel. The Modified CP4 fuel injection pump flows 33% more fuel than a stock pump and allows you to run larger injectors and a more aggressive tune.
Industrial Injection designs, manufactures and delivers the best products by utilizing their experience with advanced technology and a strong desire to lead diesel innovation…and will continue to do this for years to come.