Engine Upgrades
S&B Upper MAP Sensor Spacer Kit (82-1000) for 2017-2024 Duramax 6.6L L5P
The S&B MAP Sensor Spacer Kit (82-1000) UPPER SENSOR ONLY is a must-have accessory for any 2017-2024 Duramax 6.6L L5P owner. This kit is designed to improve the performance of your engine by increasing the flow of air to the MAP sensor.
Fleece 1″ T4 Pedestal Spacer (FPE-T4PED-SPACER1.0) for Duramax equipped w/T4 Turbos
The Fleece 1″ T4 Pedestal Spacer (FPE-T4PED-SPACER1.0) is a high-quality component designed for Duramax engines with T4 turbochargers. It raises the turbo pedestal by one inch to allow clearance for larger or custom turbos, ensuring proper alignment and secure mounting. Ideal for performance upgrades and custom builds, it enhances compatibility and flexibility in turbo system modifications.
Fleece Freedom Series Cylinder Head – Passenger Side (FPE-61-10014-P) for 2017-2023 Duramax L5P
The Fleece Freedom Series Cylinder Head – Passenger Side (FPE-61-10014-P) is a high-quality, direct-fit replacement for 2017–2023 GM Duramax L5P diesel engines. Designed for durability and performance, it features hardened valve seats, enhanced coolant flow, and upgraded valve guides. Suitable for both stock and modified engines, this fully assembled cylinder head offers improved reliability and efficiency under demanding conditions, making it ideal for rebuilds or performance upgrades.
Fleece Freedom Series Cylinder Head – Driver Side (FPE-61-10014-D) for 2017-2023 Duramax L5P
The Fleece Freedom Series Cylinder Head – Driver Side (FPE-61-10014-D) is a high-performance, direct-fit replacement for 2017–2023 GM Duramax L5P diesel engines. Built from premium materials, it exceeds OEM standards, offering enhanced durability, improved coolant flow, and structural strength to support increased horsepower and torque. Suitable for both stock and modified engines, it ensures optimal combustion efficiency and long-term reliability, making it ideal for engine rebuilds or performance upgrades.
Sinister Diesel High Amp (400A) Wiring Upgrade Kit (SDALTWIRE)
This kit includes all necessary cables to upgrade the alternator charge, alternator ground, and chassis ground. It enhances performance for both stock and high-output alternators up to 400 amps. The cables feature 5285-strand pure copper construction with a 17.2mm diameter and a hyperflex frosted jacket.
Sinister Diesel 320 Amp OEM High Output Alternator (SDALT6613320) for 2013-2017 Duramax 6.6L
The Sinister Diesel 320 amp alternator is a high-quality replacement for the OEM alternator in 2013-2018 GM Duramax 6.6L diesel engines. It prevents power issues that can lead to PDM failures by providing stronger, more reliable performance. Unlike remanufactured options, this alternator features all-new OEM components, an upgraded high-output regulator, high-temperature bearings, and a durable powder-coated aluminum chassis.
Fleece Turbo Compressor Discharge Adapter Kit for S400 Turbos (FPE-S4TCDA-KIT) Universal
The Fleece Turbo Compressor Discharge Adapter Kit (FPE-S4TCDA-KIT) is a durable, high-quality solution for connecting S400 turbochargers to custom intercooler piping. Made from robust, machined aluminum, it ensures optimal airflow and reliable performance under high boost. Its universal design fits a wide range of applications, making it ideal for diesel upgrades and high-performance builds.
AEM 100 PSIg Brass Sensor Kit 1/8 in. NPT Male Thread (30-2131-100)
The AEM 100 PSIg Brass Sensor Kit is a reliable and high-quality product designed for precise pressure readings. The sensor body is made of durable brass material, ensuring long-lasting use and accuracy. The 1/8 inch NPT male thread makes it easy to install in a variety of applications. This kit also includes a 100 PSIg brass sensor connector and pins, providing all the necessary components for a complete and efficient sensor setup. Whether for automotive, industrial, or other uses, this brass sensor kit is a versatile and essential tool for any pressure measurement needs.
BD Diesel Turbo Blanket – T3 S300 Wastegated (1453521) fits T3 S300 Wastegated Turbochargers
The BD Diesel Turbo Blanket – T3 S300 Wastegated (1453521) is designed for T3 S300 Wastegated Turbochargers to improve performance and thermal protection. It reduces turbo lag and under-hood temperatures by retaining heat within the turbo housing, enhancing exhaust gas velocity and efficiency. Made from durable, heat-resistant materials, it safeguards nearby components from heat damage. Ideal for performance enthusiasts, it’s a valuable upgrade for better turbo performance and engine bay safety.
BD Diesel Constant Tension Hose Clamp 2.75in High Torque (1405209) Universal
The BD Diesel Constant Tension Hose Clamp (2.75in High Torque, 1405209) is a durable, high-performance clamp designed for secure sealing in high-pressure automotive applications. It maintains consistent tension to adapt to temperature changes and hose movement, ensuring leak-free performance. Ideal for turbo systems and coolant lines, it offers strong clamping force and long-lasting reliability, making it a top choice for automotive enthusiasts and professionals.
Fleece Turbo Drain Tube Kit for S300/S400 (FPE-CTDT-KIT) Universal
The Fleece Turbo Drain Tube Kit (FPE-CTDT-KIT) is a durable, universal oil drain solution for S300 and S400 turbochargers. It features a flexible stainless steel braided hose and precision-machined fittings for a secure, leak-free connection. Designed for compatibility with various engine setups, it’s ideal for custom or performance applications, offering reliable performance and easy installation for turbo upgrades or replacements.
Fleece Replacement Sensor Connector With Pigtail (FPE-HAR-MU-PT-1) for 2001-2022 Duramax LB7 / LLY / LBZ / LMM / LML / L5P
The Fleece Replacement Sensor Connector With Pigtail (FPE-HAR-MU-PT-1) is a durable, OEM-style replacement part for 2001–2022 GM Duramax diesel engines. Designed to replace damaged or worn sensor connectors, it ensures reliable electrical connections and easy installation. Ideal for maintenance or repairs, it offers a long-lasting, cost-effective solution for restoring sensor function in LB7, LLY, LBZ, LMM, LML, and L5P engine models.
ARP Harmonic Damper Bolt Kit (129-2503)
The World Leader in Fastener Technology released the Harmonic Damper Bolt kit for the Chevrolet 6.6L Duramax applications. The kit is manufactured from premium grade chrome moly steel with a Black Oxide finish.
Mishimoto Water Temperature Sensor Adapter – 32mm (MMWHS-32-BK)
The Mishimoto Water Temperature Sensor Adapter 32mm (MMWHS-32-BK) is a high-quality and versatile component that allows for easy installation of aftermarket water temperature sensors in a variety of vehicles. This adapter is designed to fit onto a 32mm coolant hose and provides a secure and leak-free connection for the sensor.
S&B Velocity Stack 4″ Green (77-3006)
The S&B Velocity Stack 4″ Green (77-3006) is a high-performance aftermarket air intake component designed to improve the overall performance of your vehicle. It is specifically designed to fit onto S&B cold air intakes, but can also be used with other compatible intake systems.
AEM 150 PSIg Brass Sensor Kit (30-2131-150) 1/8 in. NPT Male Thread
The AEM 150 PSIg Brass Sensor Kit (30-2131-150) is a reliable and versatile pressure sensor kit that is designed to accurately measure up to 150 pounds per square inch gauge (PSIg) of pressure. The sensor body is made of durable brass material, ensuring its longevity and resistance to corrosion. With a 1/8 inch NPT male thread, this sensor can easily be installed in a variety of applications. The kit includes a 150 PSIg brass sensor connector and pins, making it a complete package for immediate use. Whether you need to monitor the pressure in your car’s engine or in an industrial setting, this sensor kit is a great choice for its accuracy and durability.
BD Diesel Turbo Mounting Kit (1048010) for T6 Turbo
The BD Diesel Turbo Mounting Kit (part #1048010) is designed for installing a T6 turbocharger in high-performance diesel applications. It includes all necessary hardware for a secure, efficient installation, reducing setup time and improving turbo performance. Built for durability under high temperatures and pressure, it’s ideal for enthusiasts and professionals upgrading to a T6 turbo, offering reliable and compatible construction for enhanced system reliability and performance.
BD Diesel Turbo Adapter Manifold Flange (1044106) for T4-T3 Adapter Flange – All Diesel Truck Apps
The BD Diesel Turbo Adapter Manifold Flange (1044106) is a durable, high-performance adapter that enables the installation of a T4 turbocharger onto a T3 exhaust manifold. Designed for reliability and minimal exhaust leakage, it allows for turbo upgrades without replacing the entire manifold, making it ideal for diesel performance enthusiasts and custom setups.
BD Diesel Constant Tension Hose Clamp 3.5in High Torque (1405212) Universal
The BD Diesel Constant Tension Hose Clamp 3.5in High Torque (1405212) is a durable, spring-loaded clamp designed for high-boost, high-temperature applications. It automatically adjusts to hose expansion and contraction, ensuring a consistent seal. Ideal for turbocharger systems and intercooler piping, its high-torque design prevents leaks and hose blow-offs, making it a reliable choice for performance-focused diesel engines.
BD Diesel Turbo Intake Horn (1045630) for 2017-2022 Duramax L5P
The BD Diesel Turbo Intake Horn (1045630) is a high-performance upgrade for 2017–2022 GM Duramax L5P 6.6L diesel engines. Made from cast aluminum, it replaces the restrictive stock intake to improve airflow, reduce turbulence, and enhance turbo response. This results in better throttle response and potential horsepower gains. It’s a direct bolt-on part requiring no modifications and works well with other performance upgrades like tuning, exhaust, and intercooler systems.
BD Diesel Constant Tension Hose Clamp 2.59in-2.94in High Torque (1405208) Universal
The BD Diesel Constant Tension Hose Clamp (1405208) is a durable, high-torque clamp designed for secure hose connections in high-performance diesel and heavy-duty automotive systems. With an adjustable diameter of 2.59 to 2.94 inches, it maintains consistent pressure despite temperature changes, reducing leaks and enhancing performance.
BD Diesel Turbo Blanket (1453523) for T6 S400 / S500 Turbos
The BD Diesel Turbo Blanket (1453523) is a high-performance thermal insulation product designed for T6 S400 and S500 turbochargers. It retains heat within the turbo to improve efficiency and spool-up times while reducing under-hood temperatures. Made from heat-resistant materials, it protects surrounding engine components and enhances reliability, making it ideal for high-performance and heavy-duty diesel applications.
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.
BD Diesel E-PAS Positive Air Shut-Off (1036761) for 2017-2023 Duramax L5P
The BD Diesel E-PAS Positive Air Shut-Off (1036761) is a safety device for 2017–2023 GM Duramax L5P diesel engines that prevents engine runaway by electronically cutting off air supply during uncontrolled combustion events. Designed for easy plug-and-play installation, it integrates with factory systems while enhancing vehicle safety. It’s ideal for fleet vehicles, off-road use, and safety-focused diesel owners.
