FLEECE PERFORMANCE

Freedom Series cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure...

Freedom Series Cummins Performance cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All...

Give new life to your engine with a brand new Freedom Series Cummins cylinder head. Each head is manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to meet or exceed...

Our Billet aluminum universal turbo drain adapter with integrated O-ring will ensure a leak free installation. Threaded for easy adaptation to a 7/8"-14 O-ring fitting and black anodized. ...

Our universal 45 degree turbo drain nipple with integrated O-ring seal is designed to fit 7/8 Inch ID Hose. Made from billet aluminum and anodized in black. Fitment: Garrett (LLY-LML) IHI (LB7) HX35...

2013-2018 6.7L Cummins A/C Line Reroute Kit - If you are looking to do an aftermarket turbo set up like a 2nd Gen Swap Kit, or Compund Kit then this kit is a must! The factory A/C lines are in the...

Our Fleece Pre-filters are specially designed to extend the service interval of your air filter when used in heavy dust conditions. Made from a durable polyester material it will stop small dirt...

Our Fleece Pre-filters are specially designed to extend the service interval of your air filter when used in heavy dust conditions. Made from a durable polyester material it will stop small dirt...

Control your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLockeris 100 percent code free and allows you to bypass the TCM to...

Stay safer, see further, and brighten your night time driving experience with our All Lights On device. The All Lights On allows your high-beams, low-beams, and fog lamps to all be on simultaneously...

Brighten up your driving experience with this simple upgrade inside your underhood relay box. Simply install the All Lights On module to allow your high-beams and fog lamps to simultaneously...

Brighten up your driving experience with this simple upgrade inside your underhood relay box. Simply install the All Lights On module to allow your high-beams, low-beams and fog lamps to...

-8AN Aluminum Male Weld Bung (1/2 inch Register, 3/4 inch OD)

-10AN Aluminum Male Weld Bung (5/8 inch Register, 7/8 inch OD)

-8 to 3/4 Inch-16 Straight Male Black w/ O-Ring. Features: Fitting Style: Adapter Fitting Category: AN to Inverted flare Fitting Angle: Straight Fitting Material: Aluminum Fitting Color: Black...

Negative 8AN to 3/4-16 O-ring, 90 Degree Fitting. Features: Fitting Style: 90 degree Adapter Fitting Category: AN flare to O-ring Fitting Angle: 90 degree Fitting Material: Aluminum Fitting Color:...

Our 3/4 inch-16 O-ring to 1/8 inch NPT adapter with 1/8 NPT plug is perfect for adding a pressure gauge port on multiple applications. The adapter is made from black anodized aluminum and the 1/8 NPT...

Negative 8AN Female Swivel to 7/8-14 O-Ring. Features: Fitting Style: Straight Swivel Adapter Fitting Category: AN flare to O-Ring Fitting Angle: Straight Fitting Material: Aluminum Fitting Color:...

-6 to 9/16 inch-18 Straight Male Black Fleece Performance w/ O-Ring. Features: Fitting Style: Adapter Fitting Category: AN to Inverted flare Fitting Angle: Straight Fitting Material: Aluminum...

Replacement oil feed adapter fitting for our Fleece Performance turbocharger oil feed line kits, FPE-CRTFL-S3S4 and FPE-CRTFL-OE. Features: Hose End 1 Size: -6 AN Fitting Style: AN Hose End 2 Size:...

Fleece Performance Billet Rocker Arm Bridges for 1998.5-2018, 24V 5.9L/6.7L Cummins (Set of 12)Features: These bridges offer a massive 2.5-times strength improvement over the factory bridges...

Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strength improvement over factory bridges. Machined from billet 8620 steel, the bridges are...

Turn over your Cummins with ease with this Cummins Crankshaft Barring Tool. Features: Accepts 1/2 inch drive ratchet Designed to be used with factory crank bolts and roll pins No need to remove...

Cummins Dual Pump Controller for use with Fleece Performance 5.9L and 6.7L dual pump kits or other dual pump applications on a Cummins engine. Cummins Dual Pump Controller (5.9L and 6.7L CP3 or 6.7L...

2003-2007 Cummins Coolant Bypass Brackets (Set of two)   DETAILED FITMENT: 2003-2004 Dodge Ram 2500 SLT 2003-2010 Dodge Ram 3500 SLT 2003-2010 Dodge Ram 3500 Laramie 2003-2003 Dodge Ram...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

The Fleece Performance coolant bypass for the 2007.5-2012 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish.Features: Increased Coolant Flow, Decreased Coolant...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

The Fleece Performance coolant bypass for the 2013-2018 RAM with 6.7L Cummins seamlessly integrates with your truck for an OE fit-and-finish.Features: Increased Coolant Flow, Decreased Coolant...

Just in time for Summer! Our all-new Fleece Performance coolant bypass for the 2019-Present RAM with 6.7L Cummins! Our patent pending design seamlessly integrates with your truck for an OE...

Increased Coolant Flow, Decreased Coolant Temperatures, The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

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

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Replacement Coolant Bypass Hose for our 2019-Present Ram 6.7L Cummins coolant bypass kit.Warranty: 1 Year Limited Parts Warranty   DETAILED FITMENT: 2019-2022-Ram-3500 Big Horn...

High quality stainless steel fitting desinged to allow for increased fuel feed capacity to the CP3. Features: 1/2 inch Barbed Inlet Made from high quality 316 Stainless Steel Includes sealing washer

High quality stainless steel fitting desinged to allow return fuel to freely flow from your CP3 Features: 3/8 inch Barbed Outlet Made from high quality 316 Stainless Steel Includes sealing washer

Take full control of your Cummins dual CP3's using your just your ECM. The CP3X2 harness allows you to control your Cummins dual pumps without an expensive dual pump controller.  We recommend...

2007.5-2018 Cummins Regulated Return Fuel Distribution Block. The Fleece Performance Cummins Regulated Return Fuel Distribution block takes our standard fuel distribution block to the next level by...

Ensure your turbocharger has a good oil supply line with with our replacement turbocharger oil feed line kit designed for use with a Cheetah or stock Holset VGT turbocharger in the factory location...

Ensure your turbocharger has a good oil supply line with with our replacement turbocharger oil feed line kit designed for use with a Cheetah or stock Holset turbocharger in the factory location...

Replacement Turbo Oil Feed Line designed for use with a 1/4 inch NPT inlet turbochargers. The oil feed line is intended for use with S300 or S400 turbochargers mounted in a lower position and WILL...

The Cummins turbo drain tube adapter is made from high quality 6061 aluminum and anodized black for a superior appearance. It fits into the engine block drain tube location just like the factory...

Eliminate the installation headaches associated with a non-flexible OE drain line with our ALL NEW silicone hose drain tube kit. This turbo drain kit is designed for use with all 2019-Present 6.7L...

Eliminate the installation headaches associated with a non-flexible OE drain line with our all new silicone hose drain tube kit. This turbo drain kit is designed for use with all 5.9L Cummins...

Eliminate the installation headaches associated with a non-flexible OE drain line with our silicone hose drain tube kit. This turbo drain kit is designed for use with all 12V/24V 5.9L Cummins...

Put the finishing touches on your truck with this high quality Cummins Turbo Drain Tube Kit. The tube is braided stainless steel for durability on the exterior, and corrugate teflon tubing for flow...

Replace your cracked, broken, or clogged turbo oil drain tube with our all new silicone hose drain tube kit.  This turbo drain kit is designed for use with all factory VGT turbochargers and...

Upgrading or replacing your turbocharger? Upgrade your turbocharger CCV tube coupler from the OE's plastic tube that is prone to cracking and breakage with our anodized billet aluminum replacement!...

The 5.9L CumminsPowerFlo 750 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only will it support 750 RWHP, but it...

The 6.7L CumminsPowerFlo 750 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only will it support 750 RWHP, but it...

The PowerFlo 1000 high performance 12mm stroker CP3 pump for the 2003-2007 5.9L Cummins is capable of supporting up to 1,000+ RWHP! Features: Full fuel delivery to 6,000+ RPM. New OEM unmodified FCA...

The PowerFlo 1000 high performance 12mm stroker CP3 pump for the 2007.5-2018 6.7L Cummins is capable of supporting up to 1,000+ RWHP! Features: Full fuel delivery to 6,000+ RPM. New OEM unmodified...

Anodized billet aluminum with our custom spoke design. Includes integral O-ring. 2003-2018 Cummins CP3 Nut Cover   DETAILED FITMENT: 2003-2007 Dodge Ram 3500 Laramie 2003-2003 Dodge Ram...

Convert your 5.9L CP3 to a newer 6.7L CP3 style pump with our Fleece Performance exclusive 5.9L to 6.7L adaptation kit. The kit includes a new high-pressure fuel line, high flow feed and return...

The Fleece Performance CP3K is a modified 5.9L Cummins CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and...

The Fleece Performance CP3K is a modified 6.7L Cummins CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and...

Complete installation kit for CW style turbochargers on the 2003-2007 RAM with 5.9L Cummins.Kit Includes: Turbocharger exhaust inlet gasket, T3 non-divided Turbocharger oil drain gasket Turbocharger...

The FLEECE FPE-CUMM-CYL-M22-PG M22 Thermostat Plug is expertly crafted to meet the needs of Cummins enthusiasts, delivering reliable performance and a precise fit for various models from 2003 to 2018...

Replacement cylinder head dowels for use between the engine block and cylinder head. Kit includes 2 dowels. Application Notes: Replaces Cummins part number 3902343. Fits 1989-2023 Cummins 12 valve...

The exhaust back pressure relocation Kit for 2007.5-2012 RAM w/ 6.7 Cummins will allow you to relocate the EBP sensor from the factory location on thermostat housing elbow to a new mounting block on...

Cummins Mechanical Fuel Pump Block Off Plate. Have you upgraded from your factory mechanical lift pump to an electric pump? This block off will eliminate the void left by your stock pump. Complete...

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

Introducing our all-new full featured auxiliary fuel filter kit for the 2003-2018 Dodge Cummins. This kit builds off our standard auxiliary kit with the addition of an integral high-flow fuel heating...

Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement head gasket for the 2003-2007 Dodge 5.9L Cummins will ensure your engine gets the optimal reseal...

Get the optimal seal with the Fleece Performance fire ring head gasket for the 2003-2007 Dodge 5.9L Cummins. This head gasket is a direct replacement for use with our 5.9L Freedom Series Performance...

Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement head gasket for the 6.7L Cummins will ensure your engine gets the optimal reseal.Features: OE...

Get the optimal seal with the Fleece Performance fire ring head gasket for the 2007.5-2018 Dodge 6.7L Cummins. This head gasket is a direct replacement for use with our 6.7L Freedom Series...

Trust Fleece Performance to bring you the best OE alternative parts you need! Our replacement rocker armassembly fits 1998.5-2018 Dodge 5.9L and 6.7L Cummins engines.Features: Direct fit replacement...

Upgraded 3/8 inch diameter pushrods for Cummins 24V diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwell Rc60 for outstanding strength and rigidity. These pushrods...

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...

Replace your leaking or corroded heater tubes with our upgraded stainless steel tubes and high temperature silicone hose kit from Fleece Performance. This kit contains everything you need to replace...

The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins. The...

The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 2019-2024 RAM with 6.7L Cummins. The auxiliary port is threaded to accept a...

Complete installation kit for VGT style turbochargers on the 2007.5-2018 RAM with 6.7L Cummins.Kit Includes: Turbocharger exhaust inlet gasket Turbocharger oil drain gasket Turbocharger cooling port...

Complete installation kit for VGT style turbochargers on the 2019-2024 RAM with 6.7L Cummins.Kit Includes:Turbocharger exhaust inlet gasketTurbocharger oil drain gasketTurbocharger cooling port 16mm...

2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode. Our billet coolant block off plate...

Brand new Bosch CP3 for the 2006-2010 Duramax from Fleece Performance! Direct drop in replacement for stock injection pump Pump includes a new snout O-ring Application Note: The fuel pressure...

The Fleece Performance Duramax 10mm stroker CP3 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only will it...

Replacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings for the CP3 pump snout and CP3 adapter. Application Notes: Direct replacement for GM part...

The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and...

Introducing our all-new full featured auxiliary fuel filter kit for the 2011-2016 LML 6.6L Duramax! This kit replaces the factory fuel filter housing with a new filter base, integral high-flow fuel...

Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 2001-2016 Duramax Oil Cap Black ...

Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 2001-2016 Duramax Oil Cap Blue  ...

Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 2001-2016 Duramax Oil Cap...

Problem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over time is prone to leaking as the cooler flexes. Fix: The Fleece Performance oil cooler adapter...

Replacement O-ring kit for Fleece Performance Duramax Oil Cooler Adapter, FPE-DMAX-OCADPT.Features: Duramax Oil Cooler Adapter O-Ring Kit 6 Month Limited Warranty Sold As: Kit

The Donaldson P553203 Fuel Filter is a direct replacement filter for the Fleece L5P Duramax Fuel Filter Kits and 1998.5-2018 Dodge Ram Cummins Auxiliary Fuel Filter Kits. The filter is rated at 3...

The Donaldson P555095 Fuel Filter is a direct replacement filter for use with the Fleece Performance Engine Mounted Filter Assembly for 6.7L Ford Powerstroke, part number FPE-FMC-UHFA-1123. Fits the...

The Fleece Performance Dual Pump Kit Hardware Kit for the 5.9L Cummins is designed to fit perfectly and comes with everything you need to get the job done right the first time with a simple and clean...

The Fleece Performance Dual Pump Kit Hardware Kit for the 6.7L Cummins is designed to fit perfectly and comes with everything you need to get the job done right the first time with a simple and clean...

The Fleece Performance Dual Pump Kit Hardware Kit for the 6.7L Cummins is designed to fit perfectly and comes with everything you need to get the job done right the first time with a simple and clean...

The Fleece Performance Dual Pump Kit Hardware Kit for the 6.7L Cummins is designed to fit perfectly and comes with everything you need to get the job done right the first time with a simple and clean...