Engine Upgrades
ARP Head Stud Kit (247-4202)
The ARP Head Stud Kit (247-4202) is a high-quality and durable product designed to improve the performance and reliability of your engine. It features strong and precise head studs that provide superior clamping force, ensuring a secure and tight seal between the cylinder head and engine block. This results in improved head gasket sealing and prevents head lifting, which can lead to costly engine damage.
KM Common Rail Billet Gear Housing P-Pump or Sigma w/ Removable Gear Access (080718-1) for 2003-2025 Cummins 5.9L & 6.7L
Billet aluminum timing front cover for 2003-up Cummins 5.9L and 6.7L Common Rail engines. Designed for strength, precision sealing, and compatibility with factory sensors, accessories, and gear housings. Includes stainless hardware and block-off plate.
KM 24 Valve Billet Timing Front Cover (103023-1) for 2003-2024 5.9L & 6.7L Common Rail
Billet aluminum timing front cover for 2003-up Cummins 5.9L and 6.7L Common Rail engines. Designed for strength, precision sealing, and compatibility with factory sensors, accessories, and gear housings. Includes stainless hardware and block-off plate.
Fleece S300-S400 Turbo Installation Kit (FPE-TURBO-INST-KIT-CUMM59) for 2003-2007 Cummins 5.9L
The Fleece S300-S400 Turbo Installation Kit (FPE-TURBO-INST-KIT-CUMM59) is a comprehensive, high-quality solution for installing S300 or S400 turbochargers on 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. It includes all required components—oil lines, gaskets, hardware, and brackets—for a precise, durable, and efficient installation. Ideal for performance upgrades or OEM replacements, this kit enhances engine performance and reliability, making it a top choice for diesel enthusiasts and builders.
Fleece Orange Billet Oil Cap Cover (FPE-OC-CR-F-ORG) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Orange Billet Oil Cap Cover (FPE-OC-CR-F-ORG) is a durable, high-quality upgrade for 2003–2018 Cummins 5.9L and 6.7L diesel engines. Made from billet aluminum with an anodized orange finish, it enhances engine bay appearance while providing improved durability over the stock plastic cap. Easy to install, it fits securely over the OEM oil cap, offering both functional reliability and custom style for performance enthusiasts.
Fleece Blue Billet Oil Cap Cover (FPE-OC-CR-F-BLU) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Blue Billet Oil Cap Cover (FPE-OC-CR-F-BLU) is a durable, CNC-machined aluminum upgrade for 2003–2018 Cummins 5.9L and 6.7L diesel engines. Featuring an anodized blue finish, it enhances engine bay appearance while fitting securely over the factory oil cap without affecting performance. Designed for durability and style, it’s an ideal accessory for diesel enthusiasts.
Fleece Factory Oil Feed Line Fitting (FPE-HOL-FD-FIT) for 1994-2022 Cummins 5.9L / 6.7L w/Holset Turbochargers
The Fleece Performance Fleece Factory Oil Feed Line Fitting (FPE-HOL-FD-FIT) is a durable, precision-engineered replacement part for 1994–2022 Cummins 5.9L and 6.7L engines with Holset turbochargers. It ensures a secure, leak-free connection for optimal turbocharger lubrication. Designed for easy installation and OEM-level reliability, it’s ideal for both performance upgrades and regular maintenance.
Fleece HE400VG / HE451VE Turbocharger (FPE-HE4-67) for 1994-2022 Cummins 5.9L / 6.7L ISX – 67mm
The Fleece HE400VG / HE451VE Turbocharger ISX – 67mm (FPE-HE4-67) is a high-performance upgrade for 1994–2022 Cummins 5.9L and 6.7L engines. Featuring a 67mm compressor wheel, it boosts airflow and response, making it ideal for increased power and efficiency. Designed to replace the factory VGT turbo, it offers durable construction for demanding use in towing, racing, or daily driving, and suits both stock and modified engines.
Fleece HE400VG / HE451VE Turbocharger (FPE-HE4-64) for 1994-2022 Cummins 5.9L / 6.7L ISX – 64mm
The Fleece HE400VG / HE451VE Turbocharger (FPE-HE4-64) is a high-performance, direct replacement turbo for 1994–2022 Cummins 5.9L and 6.7L ISX engines. It features a 64mm compressor wheel for increased airflow and boost efficiency, enhancing power and responsiveness without compromising reliability. Suitable for on-road and off-road use, it maintains OEM fitment while delivering aftermarket performance, making it ideal for towing, daily driving, or performance applications. Its variable geometry design ensures quick spool-up and improved throttle response.
Fleece Valve Cover Conversion Harness (FPE-HAR-CUMM-VC-ADPT-LATE) for 2006-2018 Cummins 5.9L / 6.7L
The Fleece Valve Cover Conversion Harness (FPE-HAR-CUMM-VC-ADPT-LATE) is a durable electrical adapter for 2006–2018 Cummins 5.9L and 6.7L diesel engines. It enables easy installation of aftermarket valve covers by connecting factory engine wiring to upgraded components, ensuring reliable injector performance and OE-level fit. Designed for both enthusiasts and professionals, it simplifies valve cover upgrades in demanding diesel environments.
Fleece Valve Cover Conversion Harness (FPE-HAR-CUMM-VC-ADPT-EARLY) for 2003-2005 Cummins 5.9L
The Fleece (FPE-HAR-CUMM-VC-ADPT-EARLY) is a plug-and-play valve cover conversion harness for 2003–2005 Dodge Ram trucks with 5.9L Cummins engines. It allows easy installation of a later model valve cover without cutting or splicing, enhancing aesthetics and functionality. Built with durable materials and OEM-style connectors, it ensures reliable performance and is ideal for performance upgrades.
Fleece Fuel Heater Connector and Pigtail (FPE-HAR-CUMM-FH-PT) for 2000-2018 Cummins 5.9 / 6.7L
The Fleece Fuel Heater Connector and Pigtail (FPE-HAR-CUMM-FH-PT) is a durable, high-quality replacement part for 2000–2018 Cummins 5.9L and 6.7L diesel engines. Designed to meet or exceed OEM standards, it ensures a reliable connection to the fuel heater—crucial for proper fuel temperature in cold conditions. This plug-and-play solution replaces worn or corroded factory connectors, restoring performance and enhancing durability in harsh engine environments, making it ideal for maintenance or repairs.
Fleece Performance Fire Ring Head Gasket (FPE-CUMM-HG-5.9-FR) for 2003-2007 Cummins 5.9L
The Fleece Performance Fire Ring Head Gasket (FPE-CUMM-HG-5.9-FR) is a high-performance gasket designed for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. Built for high-horsepower and heavy-duty use, it features precision-machined fire rings that enhance combustion sealing and reduce the risk of failure under boost. Ideal for performance upgrades and towing, it ensures engine reliability and durability under extreme conditions.
Fleece Performance Front Gear Housing Dowels (FPE-CUMM-FGHD-KIT) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Performance Front Gear Housing Dowels (FPE-CUMM-FGHD-KIT) are durable, precision-engineered components designed for 2003–2018 Cummins 5.9L and 6.7L engines. They ensure secure alignment of the front gear housing, reducing the risk of engine damage from misalignment. Suitable for both stock and modified engines, this kit offers improved fitment and longevity over OEM parts, making it ideal for engine assembly or rebuilds.
Fleece Turbocharger Installation Kit (FPE-CUMM-CW-INST-KIT-0307) for 2003-2007 Cummins 5.9L w/CW Turbochargers
The Fleece Turbocharger Installation Kit (FPE-CUMM-CW-INST-KIT-0307) is a complete solution for installing CW series turbochargers on 2003–2007 Dodge Ram trucks with a 5.9L Cummins engine. It includes all necessary components for a seamless and reliable installation, making it ideal for both replacements and upgrades. Designed for durability and ease of use, the kit ensures proper fitment and improved performance for Cummins-powered trucks.
Fleece Freedom Series Cylinder Head -Performance Street (FPE-61-10006) for 2003-2007 Cummins 5.9L
The Fleece Freedom Series Cylinder Head (FPE-61-10006) is a high-performance, ready-to-install upgrade for 2003–2007 Cummins 5.9L engines. Designed for street use, it enhances durability and airflow to boost horsepower and torque while maintaining reliability. Featuring precision machining and upgraded components like valve springs, guides, and seals, it’s ideal for replacing worn factory heads and handling the demands of tuned engines.
Fleece Fan Drive Pulley – Black Finish (FPE-34660-BLK) for 2003-2012 Cummins 5.9L / 6.7L
The Fleece Fan Drive Pulley – Black Finish (FPE-34660-BLK) is a high-quality aftermarket component designed for 2003–2012 Dodge Ram trucks equipped with the Cummins 5.9L and 6.7L diesel engines. Engineered for durability and performance, this precision-machined pulley replaces the factory unit to provide improved reliability and aesthetic appeal under the hood. Its sleek black anodized finish not only adds a clean, custom look but also offers enhanced corrosion resistance for long-lasting use. Ideal for enthusiasts looking to upgrade or replace worn OEM parts, the FPE-34660-BLK fan drive pulley ensures optimal belt alignment and smooth operation, making it a dependable choice for both daily drivers and performance builds.
Fleece Electric Water Pump Upper Fan Idler Pulley – Black Finish Contrast Cut ( FPE-34658-BLK-SPK) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Electric Water Pump Upper Fan Idler Pulley (FPE-34658-BLK-SPK) is a high-performance upgrade for 2003–2018 Cummins 5.9L and 6.7L diesel engines. Designed for electric water pump conversions, it replaces the factory fan drive to reduce engine drag and improve reliability. With a black anodized finish for corrosion resistance and enhanced appearance, it ensures proper belt alignment and is ideal for performance or racing setups.
Fleece Upper Fan Pulley Idler – Black Finish Contrast Cut (FPE-34657-BLK-SPK) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Performance (FPE-34657-BLK-SPK) Upper Fan Pulley Idler is a premium upgrade for 2003–2018 Dodge Ram trucks with 5.9L or 6.7L Cummins diesel engines. Made from billet aluminum with a black anodized finish and contrast cut design, it replaces the stock idler pulley to improve belt alignment, durability, and accessory drive performance. Combining function and style, it enhances both engine bay appearance and reliability under stress.
BD Diesel Iron Horn S369SXE|80 1.00 AR Turbo Kit (1045172) for 2003-2007 Cummins 5.9L
The BD Diesel Iron Horn S369SXE|80 1.00 AR Turbo Kit (1045172) is a high-performance, bolt-on upgrade for 2003–2007 Dodge Ram trucks with the 5.9L Cummins engine. It features the BorgWarner S369SX-E turbocharger, offering quick spool-up, high-flow output, and durability. With a 1.00 A/R turbine housing, it delivers a balance of responsiveness and top-end power—ideal for towing, racing, or daily driving. The kit includes all necessary components like a T4 manifold, downpipe, oil lines, and hardware for easy installation without major modifications.
BD Diesel Iron Horn S366SXE|80 1.00 AR Turbo Kit (1045177) for 2003-2007 Cummins 5.9L
The BD Diesel Iron Horn S366SXE|80 1.00 AR Turbo Kit (1045177) is a high-performance upgrade for 2003–2007 Dodge Ram trucks with the 5.9L Cummins engine. Featuring a BorgWarner S366SX-E turbocharger with a 66mm compressor and 80mm turbine wheel, it offers improved airflow, faster spool-up, and increased horsepower and torque. Designed for towing and performance use, the kit maintains drivability and reliability, includes all necessary installation components, and requires minimal modifications for a seamless factory turbo replacement.
BD Diesel Iron Horn S364SXE|76 1.00 AR Turbo Kit (1045169) for 2003-2007 Cummins 5.9L
The BD Diesel Iron Horn S364SXE/76 1.00 AR Turbo Kit (1045169) is a performance upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. It features a BorgWarner S364SX-E turbo with a 76mm turbine and 1.00 A/R T4 housing for improved airflow and faster spool-up. Designed for towing, daily use, or mild performance builds, it boosts horsepower and torque while keeping exhaust temperatures in check. The kit includes all necessary components for installation, including a manifold, oil lines, and gaskets.
BD Diesel Iron Horn S364SXE|76 0.91 AR Turbo Kit (1045171) for 2003-2007 Cummins 5.9L
The BD Diesel Iron Horn S364SXE/76 0.91 A/R Turbo Kit (1045171) is a direct bolt-on performance upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. Featuring a BorgWarner S364SXE turbo with a 76mm turbine and 0.91 A/R T4 housing, it improves horsepower, torque, airflow, and throttle response while reducing turbo lag. Designed for street, towing, and performance use, it offers durability, efficiency, and enhanced engine performance for drivers seeking more than stock capabilities.
BD Diesel Iron Horn S363SXE|80 0.91 AR Turbo Kit (1045173) for 2003-2007 Cummins 5.9L
The BD Diesel Iron Horn S363SXE | 80 0.91 AR Turbo Kit (1045173) is a performance upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. Featuring the BorgWarner S363SX-E turbocharger, it delivers improved airflow, quicker spool-up, and a strong balance of power and drivability. Ideal for towing, daily use, or performance, the kit includes all necessary parts for easy installation. It’s a durable, efficient choice for boosting horsepower, torque, and engine performance.
