Cummins
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Fleece Performance Engineering has been testing and manufacturing various fuel related upgrades since their inception, which makes for a very long list of selections. Dual CP3 injection pumps, upgraded single pumps, in-tank high volume lift pumps, upgraded sending units, fuel filter conversion kits, and even simple AN fittings all make up the portfolio of Fleece Fueling Upgrades. You can literally upgrade your fuel system from tank to fuel lines with Fleece!
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