Fits 1994-1998 Dodge Ram 2500 and 3500 (5.9L / 6.7L Cummins).

The rear cylinders on the Cummins engine platform often suffer from restricted coolant flow, leading to localized hot spots and excessive cooling system pressure. If left unaddressed, this pressure can result in catastrophic failure by blowing out external freeze plugs or the smaller plugs located under the valve cover. The Fleece Performance Coolant Bypass Kit is a proactive solution designed to improve the reliability and longevity of your engine.

Unlike other kits that rely on pressure-activated valves, this kit utilizes a secondary thermostat that operates based on temperature. This design ensures consistent coolant flow across all six cylinders, resolving temperature imbalances before damaging pressure builds up. It is a vital upgrade for high-horsepower applications or vehicles operating in demanding environments.

• Lowers coolant temperatures at the rear cylinders
• Ensures consistent temperature distribution across the entire block
• Prevents damaging pressure buildup that leads to freeze plug failure
• Includes high-quality braided hose and AN O-ring fittings for a leak-free seal
• Manufacturer Part Number: FPE-CLNTBYPS-CUMMINS-12V

Fits select 2007-2012 Dodge/Ram 2500 and 3500 models with the 6.7L Cummins engine.

The 6.7L Cummins engine is known for cooling deficiencies at the rear of the block, where cylinders five and six often suffer from stagnant coolant flow. These localized high temperatures create excessive pressure that can lead to catastrophic freeze plug failure—both externally and under the valve cover. The Fleece Performance Coolant Bypass Kit (MPN: FPE-CLNTBYPS-CUMMINS-0712) addresses this design flaw by establishing a secondary flow path.

Unlike pressure-relief style kits, this system uses a secondary thermostat that operates based on actual coolant temperature. This ensures consistent thermal management across all six cylinders, preventing pressure spikes before they occur. The kit features high-quality braided nylon hose with a protective high-temperature sleeve and AN O-ring fittings for a leak-free, OE-style integration.

• Lowers coolant temperatures at the rear cylinders
• Ensures consistent temperature distribution across the entire block
• Prevents freeze plug blowouts caused by localized pressure buildup
• Includes secondary thermostat for temperature-regulated bypass
• Braided nylon hose with AN fittings for long-term durability

Kit Includes: Rear coolant bypass thermostat housing, front coolant bypass thermostat housing, EGR crossover tube gaskets, braided nylon coolant bypass hose with high-temp sleeve, exhaust back pressure sensor mounting block with line, and all necessary mounting hardware.

Fits 2006-2007 Dodge Ram 2500 and 3500 models with automatic transmissions (5.9L / 6.7L).

The rear cylinders on 5.9L and 6.7L Cummins engines frequently suffer from inadequate coolant flow, leading to localized hotspots and excessive pressure. This pressure can cause catastrophic failure, including blown external freeze plugs or the smaller diameter plugs located under the valve cover. The Fleece Performance Coolant Bypass Kit addresses this by adding a secondary thermostat that operates based on temperature rather than pressure, ensuring consistent cooling across all six cylinders and protecting your engine from over-temperature conditions.

This comprehensive kit features high-quality AN O-ring fittings and a durable stainless steel braided hose for a reliable, leak-free installation. For 2003-2007 5.9L automatic transmission applications, note that this kit is designed to eliminate the factory transmission fluid heat exchanger, which is typically used for warming fluid in cold climates.

• Lowers coolant temperatures at the rear of the engine block
• Prevents damaging pressure buildup that leads to freeze plug failure
• Secondary thermostat ensures flow based on temperature for consistent cooling
• Stainless steel braided coolant line with billet hose brackets
• Manufacturer Part Number: FPE-CLNTBYPS-CUMMINS-0607-SS

Fits select 2006-2007 Dodge Ram 2500 and 3500 trucks (5.9L / 6.7L Cummins) equipped with automatic transmissions.

The rear cylinders on the Cummins 5.9L and 6.7L engines often suffer from restricted coolant flow, leading to localized hotspots and elevated temperatures at the back of the engine block. This heat buildup creates excessive cooling system pressure that can eject external freeze plugs or the smaller diameter plugs located under the valve cover. The Fleece Performance Coolant Bypass Kit solves this by adding a secondary thermostat that operates based on coolant temperature rather than pressure, ensuring consistent flow across all six cylinders and preventing catastrophic failure.

For 2006-2007 5.9L automatic transmission applications, this kit is designed to eliminate the factory transmission fluid heat exchanger. Originally intended for warming transmission fluid in extreme cold, this exchanger is not necessary in warmer climates or high-horsepower builds and its removal does not negatively affect vehicle performance.

• Reduces coolant temperatures at the rear cylinders for improved engine longevity
• Ensures consistent operating temperatures across the entire engine block
• Prevents damaging pressure spikes that lead to freeze plug failure
• High-quality braided hose and AN O-ring fittings ensure a leak-free installation
• Billet hose brackets included for a secure, professional fit
• Manufacturer Part Number: FPE-CLNTBYPS-CUMMINS-0607

Fits 2003-2005 Dodge Ram 2500 and 3500 trucks (5.9L / 6.7L) equipped with automatic transmissions.

The rear cylinders on the Cummins 5.9L and 6.7L engines often suffer from restricted coolant flow, resulting in significantly higher temperatures at the back of the block. This heat soak can cause excessive pressure buildup, leading to blown external freeze plugs or the failure of smaller plugs located under the valve cover. The Fleece Performance Coolant Bypass Kit addresses this design flaw by adding a secondary thermostat. Unlike pressure-relief systems, this kit operates based on coolant temperature, ensuring consistent cooling across all six cylinders and preventing pressure spikes before they cause damage.

This specific kit for 2003-2005 automatic transmission models is designed to eliminate the factory transmission fluid heat exchanger. This is an essential upgrade for high-horsepower applications or trucks operating in warmer climates where the factory heater-assisted warm-up is unnecessary. The kit features high-quality AN O-ring fittings and braided hoses to ensure a leak-free seal and includes billet hose brackets for a clean, professional install.

• Lowers coolant temperatures at the rear cylinders to improve engine longevity
• Secondary thermostat ensures consistent temperature across the entire block
• Prevents damaging pressure buildup that leads to blown freeze plugs
• Complete kit includes braided hose and AN O-ring fittings
• Includes billet hose brackets for a secure installation
• Replaces manufacturer part number: FPE-CLNTBYPS-CUMMINS-0305

Fits select 1994-2018 Dodge and Ram 2500/3500 trucks (Cummins) equipped with a Fleece Performance Coolant Bypass Kit.

Keep your Cummins cooling system operating at peak efficiency with this genuine Fleece Performance replacement O-ring kit. Designed as a direct service solution for all Fleece Cummins Coolant Bypass Kits, this set ensures a leak-free seal when performing maintenance or reinstalling your bypass system. This kit provides the exact tolerances required to maintain system pressure and prevent coolant loss at critical connection points.

While this comprehensive kit is designed to cover multiple generations of bypass systems, please note that when used with 1994-2002 model year kits, not all included O-rings will be utilized.

• Includes three (3) square cut O-rings
• Includes one (1) standard O-ring
• Includes two (2) AN fitting O-rings
• Restores factory-level sealing for coolant bypass components
• Manufacturer Part Number: FPE-CLNTBYPS-CR-ORING-KIT

Fits select 2003-2007 Dodge Ram 2500 and 3500 models with Cummins engines.

Secure your aftermarket cooling system components with this set of Fleece Performance Cummins Coolant Bypass Brackets. Specifically designed for 5.9L Cummins applications, these brackets provide the necessary support for bypass lines and housings, ensuring they remain stable under high-pressure and high-vibration conditions. By maintaining proper alignment and preventing hose movement, these brackets help eliminate potential chafing and fatigue-related failures in the cooling system.

• Direct fit for 2003-2007 Dodge Ram 2500/3500 Cummins diesel engines
• Heavy-duty construction for long-term durability and resistance to engine bay heat
• Includes two (2) brackets for a complete installation
• Designed for use with Fleece Performance coolant bypass systems
• Manufacturer Part Number: FPE-CLNT-HS-BRKT

Fits 2007-2017 Toyota Tundra models (Base, Limited, Platinum, SR, SR5, TRD Pro, and 1794 Edition) equipped with factory-installed fog lamps.

The Fleece Performance All Lights On module is a straightforward electrical upgrade that allows your high beams, low beams, and fog lamps to illuminate simultaneously for maximum visibility. By default, most factory lighting systems disable the fog lights when the high beams are engaged. This module bridges that gap, ensuring your fog lamps remain active to provide a fuller field of light during night driving. When high beams are not in use, your low beams and fog lights continue to function exactly like the original equipment.

• Simultaneous High Beam and Fog Light Operation: Keeps fog lights on when high beams are activated
• Plug-and-Play Integration: Installs directly into the factory underhood relay box without cutting or splicing
• Durable Circuit Board Design: Re-pins the factory FOG and DIM relays for a secure connection
• Model Year Logic: Supports both separate high/low bulbs (2007-2013) and dual-filament systems (2014-2017)
• Manufacturer Part Number: FPE-ALO-TUNDRA-0717

Installation is simple and can be completed with basic hand tools. After removing the relay panel cover and the factory FOG and DIM relays, you simply slide the relays through the All Lights On boards and reseat them into their original positions. This allows the board to establish the necessary electrical connection while maintaining the factory fuse and relay protection.

Fits 2016-2023 Toyota Tacoma models equipped with factory-installed fog lamps (including SR, SR5, TRD Sport, TRD Off-Road, TRD Pro, and Limited).

The Fleece Performance All Lights On module is a simple electronic upgrade that allows your high beams, low beams, and factory fog lights to illuminate simultaneously. In factory configuration, the fog lights typically deactivate when the high beams are engaged. This module overrides that logic, maximizing light output for improved visibility on dark roads or trails without affecting standard low beam function during normal driving.

• Function: Enables simultaneous use of high beams and fog lights for increased light output.
• Installation: 100% plug-and-play inside the underhood relay box; no wire cutting or splicing required.
• Compatibility: Interfaces directly with factory FOG FR and DIMMER relays.
• Manufacturer Part Number: FPE-ALO-TACOMA-1623
• Intellectual Property: Protected under US Trademark Reg. No. 6,068,463 and US Copyright Reg No. TXu 2-413-681.

Installation is straightforward: open the hood, remove the FOG FR and DIMMER relays, insert them into the All Lights On board, and reinstall the assembly back into the original relay panel locations.

Keep your inventory stocked with the Fleece Performance All Lights On module refill pack, designed for select 2007-2019 GM trucks and SUVs. These modules solve the common factory limitation where fog lights or low beams automatically deactivate when high beams are engaged. By allowing all forward-facing lights to remain illuminated simultaneously, drivers gain significantly improved peripheral and long-distance visibility during night driving.

This point-of-sale refill kit includes 10 individual modules, making it a staple for specialty shops and automotive retailers. Each module is a compact circuit board designed for a straightforward, plug-and-play installation that typically seats directly into the factory fuse box without requiring any wire cutting or splicing.

• Fits select 2007-2019 GM (Chevrolet/GMC) vehicles
• Enables high beams, low beams, and fog lights to stay on simultaneously
• Improves light output and visibility in dark or off-road conditions
• Simple plug-and-play installation requires no permanent wiring modifications
• Point-of-Sale Refill Pack: Includes 10 individual modules
• Manufacturer Part Number: FPE-ALO-REFILL

Fits select 2007-2023 GM trucks and SUVs, including Chevrolet Silverado and GMC Sierra 1500/2500HD/3500HD, Tahoe, Yukon, Suburban, and Colorado/Canyon models equipped with factory fog lights.

Improve your nighttime driving experience and increase safety with the Fleece Performance All Lights On module. This device is designed to overcome factory lighting limitations by allowing your high beams, low beams, and fog lamps to remain illuminated simultaneously when your high beams are activated. By keeping all forward-facing lights powered, you gain maximum light output for better visibility of the roadway and shoulders in dark or rural environments.

The module maintains factory-standard operation for your low beams and fog lights when high beams are not in use. This provides a seamless integration that provides extra light only when you need it most, without affecting your daytime or standard nighttime lighting configurations.

• Manufacturer Part Number: FPE-ALO
• Lighting Logic: Enables simultaneous operation of high beams, low beams, and fog lamps.
• Standard Operation: Low beams and fog lamps function normally when high beams are off.
• Application: Compatible with a wide range of General Motors vehicles equipped with fog lights from 2007 to 2023.

Fits 2013-2018 Ram 2500 and 3500 models equipped with the 6.7L Cummins diesel engine.

When upgrading to a 2nd Gen turbo swap or a compound turbo configuration, the factory air conditioning lines often create significant interference issues. This Fleece Performance A/C Line Reroute Kit is engineered to relocate these lines, providing the necessary clearance for larger turbochargers, aftermarket manifolds, and custom piping. By rerouting the lines, you ensure a professional installation that avoids heat damage and physical contact with forced induction components while maintaining full A/C functionality.

• Specifically designed for 2nd Gen Swap and Compound Turbo setups
• Clears space for larger aftermarket turbochargers and manifolds
• Direct fit for 2013-2018 Ram 2500/3500 6.7L Cummins
• Manufacturer Part Number: FPE-AC-KIT-1316

Fits 2007-2018 Dodge and Ram 2500 and 3500 trucks (6.7L Cummins).

The Fleece Performance Freedom Series Street HD cylinder head is engineered to solve common factory failures while supporting increased power levels up to 700hp. Each head is remanufactured in-house at a state-of-the-art facility where it undergoes rigorous inspection, pressure testing, and precision decking. A critical reliability upgrade includes 11 screw-in freeze plugs, which eliminate the risk of coolant leaks under the valve cover—a common failure point with press-in OE plugs.

• Manufacturer Part Number: FPE-61-10007-HD
• Power Rating: Rated for use up to 700hp
• Valve Springs: Fleece heavy duty 105# valve springs
• Retainers: Fleece tool steel retainers
• Valvetrain: Hardened, oversized press-in valve seats and new valve guide liners
• Freeze Plugs: 11 screw-in plugs (eliminates coolant leaks)

This cylinder head arrives painted and ready for installation. Note that a head gasket is not included; the use of Mahle 54774 or Cummins 4932210 is recommended. Installation by an experienced technician is required as valve lash must be set, and adjusters on rocker arms must be backed off during assembly to prevent cylinder head damage. Core and crate return is required.

Fits select 2007-2018 Dodge Ram and Ram 2500/3500 (6.7L).

The Fleece Performance Freedom Series Street cylinder head (FPE-61-10007) is a comprehensive solution for 6.7L Cummins owners seeking reliability for daily driving and heavy-duty towing. Each head is precision-remanufactured in a state-of-the-art facility to meet or exceed factory specifications. This Street series head is rated for applications up to 700hp; if your build exceeds factory RPM limits, the Performance Series with higher valve spring rates is recommended.

A primary failure point in OE heads is the press-in freeze plugs under the valve cover. Fleece addresses this by installing 11 screw-in freeze plugs to eliminate internal coolant leaks. Every head is thoroughly inspected, pressure checked, decked, and painted prior to shipping.

• 11 screw-in freeze plugs to prevent internal coolant leaks
• Hardened, oversized press-in valve seats
• New Cummins valve springs and valve guide liners
• Fully inspected, pressure tested, and surfaced
• Manufacturer Part Number: FPE-61-10007

Note: Proper installation is critical. Valve lash adjustment is required during installation—back off adjusters on rocker arms to prevent head damage. For high-horsepower applications, ARP625 or ARP L19 12mm head studs are recommended. This unit requires the use of Cummins head gasket 4932210 (not included). Core and crate return is required.

Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L Duramax LML).

Restore the reliability and performance of your LML Duramax with the Fleece Performance Freedom Series remanufactured passenger-side cylinder head. Each head is processed in-house at the state-of-the-art Freedom Racing Engine shop, where it undergoes a rigorous inspection and renewal process that meets or exceeds factory OE specifications. Designed for daily drivers and heavy-duty towing applications, these heads provide a dependable solution with the added convenience of no core charge.

Every cylinder head is meticulously cleaned, pressure tested, and leak tested to ensure casting integrity. The valvetrain is completely refreshed with new valve guides, valve springs, and valve seals. The stock valves feature a precision-ground 45-degree angle on both intake and exhaust ports, paired with a multi-angle valve job for optimal sealing and flow.

• Manufacturer Part Number: FPE-61-10004-P
• Direct replacement for the passenger side (RH) cylinder head
• Includes new valve guides, springs, and seals
• Precision-ground stock valves with 45-degree angles
• Comprehensive multi-angle valve job
• Fully pressure and leak tested
• 1-Year Limited Parts Warranty
• No core charge required

Fits 2011-2016 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD (6.6L LML Duramax).

Built by the specialists at the Freedom Racing Engine shop, the Fleece Performance Freedom Series remanufactured cylinder head provides a reliable, high-integrity solution for your LML Duramax. Whether you are maintaining a daily driver or a dedicated towing rig, these heads are meticulously inspected and assembled to meet or exceed factory specifications. This driver-side head features precision-ground stock valves and a professional multi-angle valve job to ensure a perfect seal and optimal airflow for your diesel engine.

Each head is pressure and leak tested before leaving the shop to guarantee reliability. They come fully equipped with new valve guides, springs, and seals, simplifying the installation process. By utilizing a 45-degree angle on the intake and exhaust ports, these heads maintain factory-style performance while benefiting from expert machining and fresh components. Best of all, these heads are available with no core charge, streamlining your repair and reducing downtime.

• Manufacturer Part Number: FPE-61-10004-D
• Engine Compatibility: 6.6L LML Duramax
• Driver-side cylinder head assembly
• New valve guides, valve springs, and valve seals installed
• Precision-ground stock valves with 45-degree seat angles
• Comprehensive multi-angle valve job performed
• Fully pressure and leak tested for maximum reliability
• No core charge required
• 1-Year Limited Parts Warranty

Fits select 2006-2010 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD and Classic models (6.6L Duramax LBZ/LMM).

Restore the reliability and performance of your Duramax with the Fleece Performance Freedom Series remanufactured passenger side cylinder head. Built in the state-of-the-art Freedom Racing Engine shop, each head is engineered to meet or exceed factory specifications, making it an ideal choice for daily driving and heavy-duty towing applications. Every unit undergoes a rigorous inspection process, including thorough pressure and leak testing, to ensure structural integrity and a perfect seal.

This cylinder head comes fully assembled with new valve guides, valve springs, and valve seals. The stock valves are precision ground with a 45-degree angle on both intake and exhaust ports, paired with a professional multi-angle valve job for optimal flow and seating. These heads are available with no core charge, streamlining your engine build or repair.

• Manufacturer Part Number: FPE-61-10003-P
• Component: Passenger side cylinder head
• Valvetrain: New valve guides, springs, and seals included
• Valve Specs: Precision ground stock valves with 45-degree angles
• Machining: Multi-angle valve job
• Testing: Fully pressure and leak tested
• Warranty: 1-Year Limited Parts Warranty

Fits select 2006-2010 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD trucks (6.6L Duramax LBZ/LMM).

Restore the reliability and performance of your 6.6L Duramax with the Fleece Performance Freedom Series remanufactured cylinder head. Built specifically for the driver side, this head is manufactured in the state-of-the-art Freedom Racing Engine shop to meet or exceed original equipment specifications. Each unit undergoes a rigorous inspection process, including pressure and leak testing, ensuring a dependable seal for daily driving or heavy-duty towing applications.

This cylinder head features precision-ground stock valves set at a 45-degree angle on both intake and exhaust ports, supported by a professional multi-angle valve job. By using new valve guides, springs, and seals, Fleece ensures this head is ready for immediate installation and long-term service. Best of all, this unit is available with no core charge, simplifying your repair or upgrade project.

• Manufacturer Part Number: FPE-61-10003-D
• Precision ground stock valves with 45-degree angle
• New valve guides, valve springs, and valve seals
• Meticulously pressure and leak tested
• Professional multi-angle valve job
• No core charge required
• Includes 1-Year Limited Parts Warranty

Fits select 2004-2005 Chevrolet Silverado and GMC Sierra 2500 HD/3500 models equipped with the 6.6L Duramax LLY engine.

The Fleece Performance Freedom Series cylinder head provides a reliable, professional-grade solution for the 6.6L LLY Duramax. Produced in the state-of-the-art Freedom Racing Engine shop, each passenger-side head is meticulously remanufactured to meet or exceed original equipment specifications. This head is an ideal choice for daily drivers and towing applications, offering a direct-fit replacement that eliminates the uncertainty of local machine shop lead times and core returns.

Every unit undergoes rigorous pressure and leak testing to ensure casting integrity. To guarantee long-term durability and performance, these heads are outfitted with new valve guides, high-quality valve springs, and premium valve seals. The intake and exhaust ports feature a precision multi-angle valve job with stock valves ground to a 45-degree angle for optimal sealing and flow.

• Manufacturer Part Number: FPE-61-10002-P
• Side: Passenger (Right)
• Components: New valve guides, springs, and seals included
• Testing: Fully pressure and leak tested
• Valve Configuration: Precision ground stock valves with 45-degree angle
• No Core Charge: Available for purchase with no core return required
• Warranty: 1-Year Limited Parts Warranty

Fits select 2004-2005 Chevrolet Silverado and GMC Sierra 2500 HD/3500 models (6.6L LLY Duramax).

This Fleece Performance Freedom Series remanufactured cylinder head is built for reliability in daily driving and towing applications. Produced at the Freedom Racing Engine shop, each head is meticulously inspected and tested to ensure it meets or exceeds factory specifications. This driver-side head is delivered ready for installation with no core charge required.

Every Freedom Series head undergoes a multi-angle valve job and is fully pressure and leak tested to ensure long-term durability. The assembly features precision-ground stock valves with a 45-degree angle on both intake and exhaust ports, ensuring a proper seal and optimal flow for your LLY Duramax engine.

• Manufacturer Part Number: FPE-61-10002-D
• New valve guides, valve springs, and valve seals
• Precision-ground stock valves (45-degree angle)
• Multi-angle valve job for improved sealing
• Thoroughly pressure and leak tested
• 1-Year Limited Parts Warranty
• No core charge required

Fits select 2001-2004 Chevrolet Silverado and GMC Sierra 2500 HD/3500 (6.6L LB7 Duramax).

The Fleece Performance Freedom Series cylinder head for the LB7 6.6L Duramax solves one of the engine's most common maintenance headaches: leaking injector cups. This cylinder head features a cupless injector bore design, completely eliminating the need for injector cups. This design choice prevents future coolant leaks into the fuel system or cylinders, saving you time and money during both installation and long-term operation.

Each head is assembled from a brand-new aluminum casting in the Freedom Racing Engine shop. They are meticulously inspected and equipped with all-new components, including valves, guides, and seals. Every head undergoes a CNC-cut, multi-angle valve job and precision grinding to ensure a perfect 45-degree valve angle for optimal sealing. Before shipping, each unit is pressure and leak tested to guarantee it meets or exceeds factory specifications for daily driving or heavy towing.

• Manufacturer Part Number: FPE-61-10001-P-CL
• Cupless injector bore design eliminates factory injector cups and associated leaks
• New aluminum casting with precision CNC-cut, multi-angle valve job
• Equipped with new valves, valve guides, springs, and valve seals
• Precision ground valves with a 45-degree angle
• Fully pressure and leak tested for reliability
• Recommended Head Gasket: GM 12637788 (Grade C, Right/Passenger Side)

Fits select 2001-2004 Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 (6.6L LB7).

The Fleece Performance Freedom Series Driver Side Cylinder Head solves the most common failure point on the LB7 Duramax: leaking injector cups. By utilizing an integrated cupless injector bore design, this cylinder head eliminates the need for injector cups entirely, saving installation time and preventing future coolant-to-fuel contamination or leaks. It is an ideal solution for daily drivers and heavy-duty towing applications.

Assembled at the Freedom Racing Engine shop, each head begins with a brand-new aluminum casting. Every unit is meticulously inspected and undergoes rigorous pressure and leak testing to ensure it meets or exceeds factory specifications. The head comes fully equipped with new valves, guides, springs, and seals, featuring precision ground 45-degree valves and a CNC-cut multi-angle valve job.

• Manufacturer Part Number: FPE-61-10001-D-CL
• Configuration: Driver Side (Left)
• Bore Design: Integrated cupless injector bore
• Valvetrain: New valves, valve guides, springs, and seals
• Machining: Precision ground valves (45-degree) and CNC-cut, multi-angle valve job
• Material: New aluminum casting
• Testing: Fully pressure and leak tested

Installation Note: Fleece Performance recommends using GM 12637785 (Grade C, Left) head gasket for proper installation.

Fits select 2003-2018 Dodge Ram 2500 and 3500 trucks (6.7L).

When upgrading from the factory Variable Geometry Turbo (VGT) to a non-water-cooled aftermarket turbocharger on your 6.7L Cummins, you must properly seal the cooling system. These Fleece Performance delete plugs provide a secure, leak-free solution for blocking off the factory coolant ports.

This kit is specifically designed to fit the stock coolant feed at the riser block and the coolant return port on the firewall. By using high-quality Allen head plugs, you can ensure a clean installation and professional finish for your turbo swap without risking coolant loss or system contamination.

• Essential for converting to non-water-cooled turbochargers
• Fits factory coolant feed riser block and firewall return ports
• (2) 16mm Allen head port plugs included
• (1) 18mm Allen head port plug included
• Manufacturer Part Number: FPE-6.7CR-COOL-PLUG

Fits 2007-2024 Dodge and Ram 2500/3500 with the 6.7L Cummins engine.

This Fleece Performance replacement turbine shaft speed sensor is engineered to restore accurate data transmission between your turbocharger and the vehicle ECU. A failing speed sensor can lead to incorrect VGT positioning, check engine lights, and limp mode. This sensor provides a direct-fit solution for all Cummins Holset HE351VE and HE300VE/VG turbochargers used in 6.7L applications.

• Direct-fit replacement for original equipment sensor
• Specifically designed for HE351VE and HE300VE/VG Holset variable geometry turbos
• Restores critical turbine speed monitoring for proper engine performance
• Manufacturer Part Number: FPE-351-SP-SEN

Cross Reference Numbers: 5550060, 5327846H, 4032316, 5327846, 5550064, 5325947, R8445964AA

Fits 2019-2022 Ram 2500 and 3500 (6.7L 24V Cummins).

The Fleece Performance Cheetah series sets the standard for drop-in turbocharger performance. Engineered as a stock-appearing replacement, this unit provides a significant increase in power and reliability without the need for expensive installation kits. It features an exclusive 63mm Forged Milled Wheel (FMW) compressor and high-strength Inconel turbine technology, delivering crisp throttle response and increased top-end flow while maintaining the iconic Cheetah sound.

This turbocharger comes ready to install with a brand-new actuator that requires no calibration or specialized programming. It fully maintains all factory functionality, including the exhaust brake and cold-weather warm-up features, making it an ideal choice for daily drivers and heavy-duty towing. This unit is 50-state emissions legal under CARB EO# D-834-2.

• Fleece Performance Exclusive 63mm FMW Compressor Wheel
• High-temperature Inconel turbine wheel technology
• Retains OEM factory exhaust brake and warm-up functions
• Drop-in replacement: no actuator calibration or programming required
• 2-year Limited Warranty
• CARB Executive Order: EO# D-834-2
• Manufacturer Part Number: FPE-351-1920

Includes: Exhaust flange gasket, exhaust flange studs and nuts, turbo oil drain gasket, and coolant banjo sealing washers. Note: Speed sensor is not included. Core return paperwork and instructions are included in the box.

Fits 2013-2018 Ram 2500 and 3500 models equipped with the 6.7L Cummins diesel engine.

The Fleece Performance Cheetah Turbocharger is engineered as a stock-appearing, drop-in replacement that significantly expands your engine's power band. This 63mm VGT unit utilizes Fleece’s exclusive Forged Milled Wheel (FMW) compressor technology and a high-strength Inconel turbine wheel to deliver lightning-fast throttle response and massive top-end power without requiring an aftermarket installation kit.

Designed for reliability and ease of use, this turbocharger includes a brand-new VGT actuator that requires no calibration or special programming. It maintains all original factory functions, including the exhaust brake and engine warm-up features, making it the ideal upgrade for trucks that work as hard as they play. It is capable of supporting modifications up to 700 RWHP while remaining emissions compliant with CARB EO# D-834.

• Manufacturer Part Number: FPE-351-1317
• Compressor Wheel: 63mm Forged Milled Wheel (FMW)
• Turbine Material: High-flow Inconel wheel
• Power Support: Capable of up to 700 RWHP
• VGT Actuator: New actuator included; no programming required
• Emissions Status: CARB EO# D-834
• Warranty: 2-Year Limited Warranty

Fits 2007-2012 Dodge and Ram 2500 and 3500 models equipped with the 6.7L Cummins engine.

The Fleece Performance Cheetah Series 63mm Billet Holset VGT Turbocharger is a high-performance, drop-in replacement designed to increase power potential while maintaining a stock-appearing engine bay. Built with an exclusive Forged Milled Wheel (FMW) compressor and high-strength Inconel turbine wheel technology, this turbocharger delivers rapid throttle response and significant top-end flow, capable of supporting vehicle modifications up to 700 RWHP.

This VGT (Variable Geometry Turbocharger) comes equipped with a brand-new actuator that requires no calibration or programming during installation. It is designed to integrate seamlessly with factory systems, retaining full functionality of the OEM exhaust brake and engine warm-up features. As a true bolt-on upgrade, it eliminates the need for expensive aftermarket installation kits or complex plumbing modifications.

• Manufacturer Part Number: FPE-351-0712
• Compressor Wheel: 63mm Fleece Performance Exclusive FMW Technology
• Turbine Wheel: Inconel construction for high-temperature durability
• Performance: Supports up to 700 RWHP
• Installation: Direct bolt-on replacement; stock appearing
• Controls: Pre-installed new actuator; maintains factory exhaust brake functions
• Warranty: 2-Year Limited Warranty

Fits 2004-2007 Dodge Ram 2500 and 3500 trucks (5.9L Cummins).

The Fleece Performance Cheetah series turbocharger is a high-performance, drop-in replacement designed to provide significant power gains while maintaining a stock appearance. This Holset-based unit features an exclusive 63mm Forged Milled Wheel (FMW) compressor and Inconel turbine wheel technology, delivering improved throttle response and substantial top-end power without the need for expensive aftermarket install kits. It bolts directly to factory mounting points and is capable of supporting modifications up to 650 RWHP.

• Exclusive FMW compressor wheel technology for increased airflow
• Inconel turbine wheel for high-temperature durability
• Internal wastegate preset to 40 psi
• Direct bolt-on fitment with stock appearance
• No core charge required
• Manufacturer Part Number: FPE-351-0407

Application Note: To confirm proper fitment, verify that the tenth digit of your VIN is a 3 or 4. If the tenth digit is a 5 or higher, this turbo (FPE-351-0407) is the correct application for your 5.9L Cummins engine.

Fits 2003-2004 Dodge Ram 2500 and 3500 models equipped with the 5.9L Cummins diesel engine.

The Fleece Performance Cheetah series sets the standard for drop-in replacement turbochargers, offering a significant performance increase while maintaining a factory-like appearance. This 63mm turbocharger bolts directly to the factory mounting points and does not require an expensive aftermarket installation kit. It features an exclusive Forged Milled Wheel (FMW) compressor and high-strength Inconel turbine wheel technology, delivering improved throttle response and substantial top-end power reaching up to 650 RWHP.

Built for reliability and performance, the wastegate is preset to 40 psi to handle increased boost levels. Before ordering, verify that the tenth digit of your vehicle's VIN is a 3 or 4 to ensure compatibility with this specific unit.

• Manufacturer Part Number: FPE-351-0304
• 63mm Fleece Performance exclusive FMW compressor wheel
• Inconel turbine wheel for high-temperature durability
• Supports modifications up to 650 RWHP
• Internal wastegate preset to 40 psi
• Stock-appearing, drop-in replacement design
• No core charge required

This Fleece Performance precision-machined adapter fitting provides a reliable transition for custom automotive plumbing. Engineered for high-performance applications, it features a -10 AN flare on one side and a 7/8in-14 straight thread on the other, ensuring a secure and durable connection in fuel, oil, or coolant systems.

• Manufacturer: Fleece Performance Engineering
• Part Number: FPE-34805-A
• Fitting Style: Straight Male Adapter
• Size A: -10 AN
• Size B: 7/8in-14 (Straight Thread)
• Finish: Black Anodized
• Included Hardware: High-quality O-ring for a positive, leak-free seal

The universal design and black finish make it a versatile choice for builders and technicians requiring exact tolerances and a professional appearance in their fluid transfer systems.