Fleece Performance

Auxiliary fuel filter and line kit for your 2003-2018 Dodge Cummins.  The kit includes everything you need to properly route, plumb and filter fu...

Description This sending unit fits directly into the stock unit location, featuring quick disconnects to adapt your stock fuel lines, & check...

PROBLEM: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or drill your fu...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance.  The PowerFlo is the o...

Introducing our all-new full featured auxiliary fuel filter kit for the 2003-2018 Dodge Cummins.  This kit builds off our standard auxiliary kit ...

Introducing our Freedom Series Cummins Performance cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machi...

Description Introducing our Freedom Series cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop ...

Introducing our Freedom Series cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop and guarante...

DESCRIPTION Upgrade your Cummins valve springs and retainers with our Fleece Performance spring and retainer kit. Our springs are manufactured fr...

DESCRIPTION Upgraded 3/8” diameter pushrods for Cummins 24V diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwe...

DESCRIPTION Fleece Performance Billet Rocker Arm Bridges for 1998.5 + 24v 5.9L/6.7L Cummins (set of 12).  FEATURES These bridges offer a massive...

DESCRIPTION Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement rocker armassembly fits 1998.5-2018 Dod...

DESCRIPTION Auxiliary fuel filter and line kit for your 1998.5-2002 Dodge Cummins.  The kit includes everything you need to properly route, plum...

DESCRIPTION Only from Fleece, a complete fuel supply upgrade kit for your 1998.5-2002 Dodge Cummins.  The kit includes everything you need to prope...

DESCRIPTION PROBLEM: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or d...

DESCRIPTION The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatur...

DESCRIPTION The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RA...

DESCRIPTION Introducing our Freedom Series cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop ...

DESCRIPTION Introducing our Freedom Series cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop ...

DESCRIPTION The rear cylinders on the 5.9 & 6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolan...

DESCRIPTION A complete fuel upgrade for your Cummins by Fleece; this PowerFlo Lift Pump is the latest OEM replacement pump that requires no modifi...

DESCRIPTION This performance sending unit is an ideal alternative for trucks that don't have an in-tank pump needing to repair a malfunctioning...

DESCRIPTION Cummins Mechanical Fuel Pump Block Off Plate Have you upgraded from your factory mechanical lift pump to an electric pump? This b...

DESCRIPTION Introducing the Fleece Freedom Series cylinder head for the 6.6L Duramax! Now with a cupless injector bore - save time and money wi...