Fleece Performance

Replacement Turbo Oil Feed Line designed for use with a 1/4" NPT inlet turbochargers. The oil feed line is intended for use with S300 or S400 turbochargers mounted in a lower position and WILL NOT...

Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat. Two thermostats included to service all production years, you will only use one...

Replacement engine starter connector with 6" pigtail for use on the 2003-2018 Cummins. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to...

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

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

Dress up your Cummins with this Blue billet aluminum oil cap cover. It is anodized black and laser etched with the Fleece Performance "F". It is a great accessory to add to your Cummins whether it's...

All new stainless steel fuel tube nuts from Fleece Performance. Ensure a proper seal on your injector tubes and high pressure injection lines with our high tolerance nuts produced from 300 series...

Replacement turbo drain O-rings for all Fleece Performance turbo oil drain tube kits. Contains two O-rings for the drain adapter that inserts into the engine block and two square cut O-ring options...

Eliminate the troublesome and leaky quick-connect heater core line on your 2003-2024 RAM with the latest OEM+ solution from Fleece Performance! Our stainless steel fitting and silicone hose kit are a...

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...

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...

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such as an Air Dog or a FASS, your factory fuel filter is...