GM Duramax

Fleece Performance Engineering

L5P Fuel Filter Upgrade Kit (17-19 Short & Long Bed / 20-22 Long Bed)

Fleece Performance Engineering

MAP Sensor Spacer with Boost Reference Port for L5P Duramax

Fleece Performance Engineering

High Flow Intake Horn for the L5P 6.6L Duramax

Fleece Performance Engineering

Freedom Series Duramax Cylinder Head for 2011-2016 LML (Passenger Side)

Fleece Performance Engineering

Freedom Series Duramax Cylinder Head for 2011-2016 LML (Driver Side)

Fleece Performance Engineering

Duramax Fan Extension Harness (LML)

Fleece Performance Engineering

Auxiliary Heated Fuel Filter Kit for 2011-2016 LML Duramax

Fleece Performance Engineering

PowerFlo® Lift Pump for 2007.5-2010 LMM Duramax

Fleece Performance Engineering

Setrab to -10AN Fittings for Allison Transmission Cooler Lines

Fleece Performance Engineering

Freedom Series Duramax Cylinder Head for 2006-2010 LBZ/LMM (Driver Side)

Fleece Performance Engineering

Freedom Series Duramax Cylinder Head for 2006-2010 LBZ/LMM (Passenger Side)

Fleece Performance Engineering

PowerFlo® Lift Pump for 2004.5-2007 LLY/LBZ Duramax