Increased power may require transmission upgrades. Contact Fleece Performance to build your transmission or upgrade your clutch.
EFI Live AutoCal loaded with proven Fleece Performance tuning
When it?s time to step up and play with the big boys the 750hp Cummins power package from Fleece Performance will get it done. It was engineered for performance and packaged for convenience. With everything you need to put the power to the ground you will have your truck where you want it in no time.
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