Engine Components

Introducing 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...

Introducing 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...

Introducing 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...

Introducing 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...

ALL NEW! Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our...

ALL NEW! Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our...

When replacing the stock VGT turbo on your 6.7L Cummins with a non-water cooled turbo, these delete plugs are a must. They conveniently fit the stock coolant feed from the riser block and coolant return on the firewall. Kit includes: 16mm Allen head port...

Our replacement turbine shaft speed sensor works on all Cummins Holset HE351VE and HE300VE/VG turbos on the 6.7L Dodge, MY 2007.5-2024. Replaces Cummins and Holset P/N's including: 5550060, 5327846H, 4032316, 5327846, 5550064, 5325947, 5327846H, R8445964AAThis Part Fits: Year Make Model Submodel 2007-2010 Dodge Ram...

All New! Fleece Performance stainless steel turbo stud kit for S-300 and S-400 turbos. Our studs are produced in the USA from aged 630 stainless steel and feature a 4mm internal hex head for easy installation. Impervious to rust and corrosion, these studs not...

The billet aluminum HE351CW Actuator Solenoid Plug w/ Boost Reference allows you to block the boost reference port but still provide the wastegate with a boost reference.This Part Fits: Year Make Model Submodel 2005-2007 Dodge Ram 2500 Laramie 2005-2007 Dodge Ram 2500 SLT 2006-2007...

Upgrade your Cummins valve springs and retainers with our Fleece Performance spring and retainer kit. Our springs are manufactured from super clean" Hi-Tensile Chrome Silicon steel with a proprietary multi-step heat treating process that minimizes load loss. These springs have a seat pressure of...

Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are produced from aged 603 stainless steel and feature a 4mm internal hex head for easy installation. Impervious to rust and corrosion, these studs not only look good, but allow...

Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are produced from aged 603 stainless steel and feature a 7 mm external hex head for easy installation. Impervious to rust and corrosion, these studs not only look good, but...

Fleece Performance billet aluminum fan drive pulley in black anodized finish for the 2003-2012 Cummins equipped RAM. Our pulley is a direct replacement for OE part number 4930580 and has an outside diameter of 6.965".This Part Fits: Year Make Model Submodel 2003,2005-2010 Dodge Ram...

Fleece Performance billet aluminum fan drive pulley in bare aluminum finish for the 2003-2012 Cummins equipped RAM. Our pulley is a direct replacement for OE part number 4930580 and has an outside diameter of 6.965".This Part Fits: Year Make Model Submodel 2003,2005-2010 Dodge Ram...

Fleece Performance billet aluminum fan drive pulley in black anodized finish for the 2013-2018 Cummins equipped RAM. Our pulley is a direct replacement for OE part number 5295226 and has an outside diameter of 6.965".This Part Fits: Year Make Model Submodel 2013-2018 Ram 2500...

Fleece Performance billet aluminum fan drive pulley in bare aluminum finish for the 2013-2018 Cummins equipped RAM. Our pulley is a direct replacement for OE part number 5295226 and has an outside diameter of 6.329".This Part Fits: Year Make Model Submodel 2013-2018 Ram 2500...

Fleece Performance 03-18 Dodge 2500/3500 Cummins Upper Fan Pulley Idler (Black Contrast)

Our Fleece Performance adapter harness allows the early (2007.5-2012) Dodge 6.7L to run the updated turbo actuator that is used on 2013 and up VGT Turbochargers. Replacement for Cummins P/N 5347703.This Part Fits: Year Make Model Submodel 2007-2010 Dodge Ram 2500 Laramie 2007-2010 Dodge...

Fleece Performance Dodge Cummins Dual Pump Idler Pulley Spacer and Bolt (For use w/ FPE-34022)This Part Fits: Year Make Model Submodel 2003,2005-2010 Dodge Ram 2500 Laramie 2003-2010 Dodge Ram 2500 SLT 2006-2007 Dodge Ram 2500 Sport 2003-2010 Dodge Ram 2500 ST 2008-2010 Dodge Ram...

Fleece Performance Dodge Cummins Dual Pump Spoke Pulley (For Use w/ FPE Dual Pump Bracket) RedThis Part Fits: Year Make Model Submodel 2003,2005-2010 Dodge Ram 2500 Laramie 2003-2010 Dodge Ram 2500 SLT 2006-2007 Dodge Ram 2500 Sport 2003-2010 Dodge Ram 2500 ST 2008-2010 Dodge...

Fleece Performance Dodge Cummins Dual Pump Spoke Pulley (For Use w/ FPE Dual Pump Bracket) OrangeThis Part Fits: Year Make Model Submodel 2003,2005-2010 Dodge Ram 2500 Laramie 2003-2010 Dodge Ram 2500 SLT 2006-2007 Dodge Ram 2500 Sport 2003-2010 Dodge Ram 2500 ST 2008-2010 Dodge...

Fleece Performance Dodge Cummins Dual Pump Spoke Pulley (For Use w/ FPE Dual Pump Bracket) BlueThis Part Fits: Year Make Model Submodel 2003,2005-2010 Dodge Ram 2500 Laramie 2003-2010 Dodge Ram 2500 SLT 2006-2007 Dodge Ram 2500 Sport 2003-2010 Dodge Ram 2500 ST 2008-2010 Dodge...