Fleece Performance Engineering
Fleece Coolant Bypass Automatic Transmission (FPE-CLNTBYPS-CUMMINS-0607) for 2006-2007 Cummins 5.9L
The Fleece Performance Coolant Bypass Kit (FPE-CLNTBYPS-CUMMINS-0607) is a premium aftermarket solution tailored for 2006-2007 Dodge Ram trucks powered by the 5.9L Cummins diesel engine. Engineered to resolve the issue of uneven cooling—particularly in the rear cylinders—this kit reroutes coolant flow to provide balanced temperature regulation throughout the engine block. By enhancing coolant circulation, it helps prevent common problems such as head gasket failures and contributes to prolonged engine life. The kit includes a high-quality thermostat and durable braided stainless-steel lines, ensuring both performance and longevity. Whether for heavy-duty workloads or high-performance setups, the Fleece coolant bypass kit is an excellent upgrade for Cummins owners seeking improved engine reliability and efficiency.
Fleece PowerFlo® 750 CP3 (FPE-CUMM-CP3-10MM-5.9 ) for 2003-2007 Cummins 5.9L
The Fleece PowerFlo® 750 CP3 is a high-performance 10mm stroker fuel injection pump designed for 2003–2007 Dodge Ram trucks with the 5.9L Cummins engine. Capable of supporting up to 750 horsepower, it delivers greater fuel volume and pressure than the stock pump. Built for durability and reliability, it’s a direct-fit replacement ideal for performance upgrades and heavy-duty use.
Fleece Freedom Series Cylinder Head – Drivers Side (FPE-61-10003-D) for 2006-2010 Duramax LBZ / LMM
The Fleece Freedom Series Cylinder Head – Driver’s Side (FPE-61-10003-D) is a high-quality replacement for 2006–2010 GM Duramax LBZ and LMM engines. Made in the USA, it offers improved airflow for better engine efficiency and power. Fully assembled with new components, it provides a ready-to-install, durable solution suited for both stock and performance applications, making it a reliable upgrade for Duramax owners.
Fleece Dual Pump Hardware Kit (FPE-DPK-67-1012) for 2010-2012 Cummins 6.7L
The Fleece Dual Pump Hardware Kit (FPE-DPK-67-1012) is designed for 2010–2012 Dodge Ram trucks with 6.7L Cummins engines. It allows for the addition of a second CP3 injection pump to boost fuel flow, supporting higher horsepower and improved performance. The kit includes all necessary mounting hardware for easy installation and a factory-like look but does not include the second CP3 pump or high-pressure lines. It’s ideal for performance enthusiasts using tuning or larger injectors.
Fleece Dual Pump Hardware Kit (FPE-DPK-67-0709) for 2007.5-2009 Cummins 6.7L
The Fleece Dual Pump Hardware Kit (FPE-DPK-67-0709) is designed for 2007.5–2009 Dodge Ram trucks with 6.7L Cummins engines. It allows for the installation of a second CP3 fuel pump to boost fuel volume and maintain pressure for high-horsepower builds. Ideal for performance upgrades, the kit includes all necessary mounting hardware but does not include the second CP3 pump or drive components. It’s a reliable and durable solution for enhancing engine performance.
Cheetah® Turbo Charger (FPE-VNT63-STREET) for 2004.5-2010 Duramax LLY, LBZ, LMM
Fleece Allison TapShifter (FPE-TAPSHIFTER35) for 2003-2005 Duramax LB7 / LLY
The Fleece Allison TapShifter (FPE-TAPSHIFTER35) is a performance upgrade for 2003–2005 GM Duramax trucks with LB7 or LLY engines and Allison 1000 transmissions. It adds a tap-style shifter for manual gear control, improving drivability and engine braking—especially useful for towing and steep terrain. The kit includes a shift lever, control module, and wiring, and integrates smoothly with factory systems for an OEM-like installation. It enhances both daily driving and heavy-duty performance.
Fleece Coolant Bypass Manual Transmission w/Stainless Steel Braided Line (FPE-CLNTBYPS-CUMMINS-MAN-SS) for 2003-2007 Cummins 5.9L
The Fleece Coolant Bypass for Manual Transmission (FPE-CLNTBYPS-CUMMINS-MAN-SS) is a premium upgrade engineered for 2003-2007 Dodge Ram trucks with the 5.9L Cummins diesel engine and manual transmission. This stainless steel kit effectively solves the common issue of uneven coolant distribution, which often results in excessive heat buildup at the rear cylinders—an issue that can lead to premature head gasket failure. By rerouting coolant from the back of the cylinder head, the bypass promotes uniform cooling across all six cylinders, enhancing engine reliability and thermal efficiency. Designed for compatibility with both stock and high-performance setups, the kit includes all required components for a straightforward installation that doesn’t demand permanent engine modifications, making it an ideal choice for enthusiasts and professionals alike.
Fleece Performance CP3K (FPE-CUMM-CP3K-6.7) for 2007.5-2018 Cummins 6.7L
The Fleece Performance CP3K (FPE-CUMM-CP3K-6.7) is a high-performance, direct replacement fuel pump for 2007.5–2018 Dodge Ram trucks with 6.7L Cummins engines. It offers increased fuel flow compared to the stock CP3, supporting up to 600+ rear-wheel horsepower. Designed for improved performance, throttle response, and compatibility with aftermarket tuning or larger injectors, the CP3K installs easily using factory connections and is built for long-term reliability.
Fleece Tall Stack Cover – 7″ Diameter – Miter Cut (FPE-STK-CVR-7-45) fits 7″ stack
The Fleece Tall Stack Cover – 7″ Diameter – Miter Cut (FPE-STK-CVR-7-45) is a durable, high-quality cover designed to fit 7-inch exhaust stacks. It features a 45-degree miter cut for a secure, snug fit, effectively protecting the exhaust system from debris, moisture, and contaminants. Ideal for extending equipment life and maintaining performance, it is a practical, purpose-built accessory for demanding environments.
Fleece Replacement Fuel Injector Connector With Pigtail – 4 Pack (FPE-HAR-L5P-INJ-PT-4P) for 2011-2025 Duramax LML / L5P
The Fleece Replacement Fuel Injector Connector with Pigtail – 4 Pack (FPE-HAR-L5P-INJ-PT-4P) is an aftermarket kit designed for 2011–2025 GM Duramax diesel engines (LML and L5P models). It includes four durable, OEM-style connectors with six-inch pigtails, ideal for replacing damaged or corroded factory connectors. Built with automotive-grade materials, these connectors ensure reliable fuel injector performance and are suited for both repairs and performance upgrades in demanding diesel environments.
Fleece Tall Stack Cover – 8″ Diameter – Miter Cut (FPE-STK-CVR-8-45) fits 8″ stack
The Fleece Tall Stack Cover – 8″ Diameter – Miter Cut (FPE-STK-CVR-8-45) is a high-quality fleece cover designed for 8-inch vertical exhaust stacks. Its miter cut ensures a snug fit on angled stacks, protecting against dirt, moisture, and debris. Ideal for trucks and tractors, it helps prevent corrosion, prolonging the stack’s lifespan. Durable and easy to install, it offers both protection and improved appearance.
Fleece Freedom Series Cummins Cylinder Head – Performance (FPE-61-10008) for 2007.5-2018 Cummins 6.7L
The Fleece Freedom Series Cummins Cylinder Head (FPE-61-10008) is a high-performance upgrade for 2007.5–2018 6.7L Cummins engines, offering enhanced durability, airflow, and power. Fully assembled with upgraded components like oversized valve seats, new valves, springs, and seals, it’s built for reliability under high boost and heat. Designed to meet or exceed OEM specs, it provides a direct-fit solution ideal for towing, performance builds, or competition use.
Fleece T4 Pedestal Spacer – 1.5″ Thick (FPE-T4PED-SPACER1.5) for T4 Turbos
The Fleece T4 Pedestal Spacer – 1.5″ Thick (FPE-T4PED-SPACER1.5) is a durable, precision-made spacer that raises T4 turbochargers 1.5 inches to provide extra clearance for custom piping, better airflow, and component clearance. Designed for high-performance diesel and racing applications, it ensures a secure, leak-free fit and is compatible with various T4 turbo setups, offering enhanced installation flexibility.
Fleece Freedom Series Cummins Cylinder Head -Street HD (FPE-61-10007-HD) for 2007.5-2018 Cummins 6.7L
The Fleece Freedom Series Cummins Cylinder Head – Street HD (FPE-61-10007-HD) is a heavy-duty, high-performance upgrade for 2007.5–2018 Dodge Ram 6.7L Cummins trucks. Designed for improved durability and reliability, it features upgraded valve seats and guides, reinforced casting, and pressure testing for optimal performance under stress. Ideal for towing, daily driving, and mild performance builds, it offers a strong balance between strength and drivability, making it a trusted option for replacing or upgrading the factory cylinder head.
Fleece Fuel Distribution Block – 4th Gen (FPE-FFD-RF-4G ) for 2010-2018 Cummins 6.7L
The Fleece Fuel Distribution Block – 4th Gen (FPE-FFD-RF-4G) is a precision-engineered billet aluminum component designed for 2010–2018 Dodge Ram 6.7L Cummins diesel trucks. It replaces the factory fuel filter housing to streamline fuel delivery, enhance durability, and support high-performance setups, including dual CP3 pumps. Ideal for performance and racing applications, it offers improved flow, reliability, and efficiency for upgraded fuel systems.
Fleece Freedom Series Duramax Cylinder Head – Passenger Side (FPE-61-10002-P) for 2004.5-2005 Duramax LLY
The Fleece Freedom Series Duramax Cylinder Head – Passenger Side (FPE-61-10002-P) is a precision-engineered, high-performance replacement for 2004.5–2005 GM vehicles with the Duramax LLY engine. Built by Fleece Performance Engineering, it meets or exceeds OEM standards, features improved airflow, and is designed for durability in both stock and high-performance applications like diesel performance and towing. It offers a reliable, bolt-on solution for engine rebuilds or upgrades.
Fleece Fuel Distribution Block – 3rd Gen (FPE-FFD-RF-3G-67) 2007.5-2009 Cummins 6.7L
The Fleece Fuel Distribution Block (FPE-FFD-RF-3G-67) is a billet aluminum upgrade for 2007.5–2009 Dodge Ram trucks with 6.7L Cummins engines. Replacing the factory fuel filter housing, it improves fuel flow, supports aftermarket fuel systems like AirDog or FASS, and ensures leak-free, high-pressure performance. Designed for performance enthusiasts, it offers a clean, efficient solution for enhancing fuel system reliability and organization.
Fleece Coolant Bypass Automatic Transmission (FPE-CLNTBYPS-CUMMINS-0305) for 2003-2005 Cummins 5.9L
The Fleece Coolant Bypass (FPE-CLNTBYPS-CUMMINS-0305) is a performance upgrade for 2003–2005 Dodge Ram trucks with 5.9L Cummins diesel engines and automatic transmissions. It improves coolant flow around the rear engine cylinders—areas prone to overheating and head gasket issues in stock setups. By promoting even cooling, it enhances engine reliability and longevity, especially during heavy towing or high-performance use. This upgrade is ideal for Cummins owners seeking better durability and consistent cooling performance.
Fleece Freedom Series Cylinder Head – Street (FPE-61-10009) for 1998.5-2002 Cummins 5.9L
The Fleece Freedom Series Cylinder Head – Street (FPE-61-10009) is a high-quality upgrade for 1998.5–2002 Dodge Ram trucks with 5.9L Cummins engines. Designed for street use, it offers greater durability and reliability than stock heads, making it ideal for daily driving, towing, and mild performance builds. Fully assembled with new valves, springs, and seals, it provides an easy bolt-on replacement. Built with improved materials and casting techniques, it resists common failures like cracking, supporting both stock performance and moderate horsepower gains.
Fleece Low Profile Shock Mounts (FPE-LPSM) for 1994-2012 Cummins 5.9L / 6.7L
The Fleece Low Profile Shock Mounts (FPE-LPSM) are a direct bolt-on upgrade for 1994–2012 Dodge Ram trucks with Cummins 5.9L or 6.7L engines. Designed for durability and improved ground clearance, they replace the bulky factory rear shock brackets to enhance suspension travel and off-road performance. Made from high-quality, corrosion-resistant materials, these mounts offer a cleaner look and better undercarriage protection, making them ideal for off-road enthusiasts or anyone seeking a more efficient suspension setup.
Cheetah® Turbocharger (FPE-PS-FMW-63-1518) for 2015-2019 PowerStroke 6.7L
The Cheetah® Turbocharger (FPE-PS-FMW-63-1518) is a high-performance aftermarket turbocharger designed specifically for 2015-2019 Ford PowerStroke 6.7L diesel engines. Developed by Fleece Performance Engineering, a leading manufacturer of performance diesel parts, the Cheetah® Turbocharger is engineered to provide increased power and performance for truck owners looking to get more out of their engine.
Fleece Cheetah® HX35 Turbocharger (FPE-HX35-63-FMW) for 1994-2002 Cummins 5.9L 12V
The Fleece FPE-HX35-63-FMW Cheetah HX35 Turbo upgrades 1994-2002 Cummins 5.9L 12V engines. It features a 63mm compressor wheel and improved airflow. This turbo delivers faster spool-up and increased boost. It installs as a direct bolt-on replacement.
Fleece Freedom Series Duramax Cylinder Head – Passenger Side (FPE-61-10004-P) for 2011-2016 Duramax LML
The Fleece FPE-61-10004-P Freedom Series cylinder head fits 2011-2016 Duramax LML trucks. It improves airflow, sealing, and durability. Built to OEM standards, it supports both stock and performance applications. Ideal for rebuilds or upgrades.
