2011-2016 Duramax LML DSP5 Switch (FTDSP5LML) 2008 - 2010 Ford Tuning & Electronics Final Check: Retorque at least

Final Check: Retorque at least once more before subjecting the engine to full load or high RPM

MAHLE Original head gasket sets are made to meet or exceed the original specifications to give you a perfect fit

Initially designed for trucks that work hard and need instant torque in the low rpm range

but still want excellent street-ability

2011-2016 Duramax Upper Engine Gasket Set (HS54580C)

2011-2016 Duramax LML DSP5 Switch (FTDSP5LML) 2008 - 2010 Ford Tuning & Electronics Final Check: Retorque at least2011 2016 Duramax LML DSP5 Switch (FTDSP5LML) A switch that comes with purple and black wires, specifically used only for LML.