2011-2016 Factory LML Duramax Cylinder Head Fleece Location:Passenger Side Location and design allows for

Location and design allows for optimal gauge viewing

Gain up to +100 hp/+175 lb-ft at rear wheels

The elbow includes provisions for common MAF sensor mounting

A pyrometer is recommended (see the Gauge section under Instrumentation)

you'll want to take it everywhere

2011-2016 Factory LML Duramax Cylinder Head Fleece Location:Passenger Side Location and design allows forIntroducing 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. Features: New valve guides, new springs, and new valve seals Pressure and leak tested Precision ground stock