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3L Sidewinder and Jeep 4
performance and efficiency are the ultimate goals
EconoMind provides comprehensive fuel tuning and six levels of adjust-on-the-fly power that cut 13+ sec
4L Powerstroke is the most dependable torque converter for stock and mild power on the market today
Fleece Performance FPE-61-10002-D 2004.5-2005 Factory LLY Duramax Cylinder Head (Driver Side) Fleece Performance 2011-2016 Ford Powerstroke 6.7 3L Sidewinder and Jeep 4Introducing our Freedom Series cylinder heads for the 6. 6L Duramax! Each cylinder head is manufactured in our state of the art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on