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Fleece Engine Upgrades

Fleece Performance Engineering manufactures an entire line of engine related upgrades for your diesel. Upgraded pulleys, rocker arm bridges, pushrods, and even complete head assemblies under their Fre ... read more

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Fleece Performance Oil Cooler Adapter 01-07/11-16 GM 6.6L Duramax FPE-DMAX-OCADPT 1.00 Fleece Performance Oil Cooler Adapter 01-07/11-16 GM 6.6L Duramax Fleece Performance Engineering FPE-DMAX-OCADPT How does superior sealing with easy installation sound when it comes time to replace your Duramax’s oil cooler adapter? Good? Fleece Performance has your 6.6L Duramax covered. Fleece Performance Rear Engine Cover Coolant Return Plug 11-16 GM Duramax LML FPE-LML-CP 1.00 Fleece Performance Rear Engine Cover Coolant Return Plug 11-16 GM Duramax LML Fleece Performance Engineering FPE-LML-CP Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. Fleece Performance Billet Oil Cap Cover 03-18 Dodge 5.9L / 6.7L Cummins FPE-OC-CR-F-main 0.00 Fleece Performance Billet Oil Cap Cover 03-18 Dodge 5.9L / 6.7L Cummins Fleece Performance Engineering FPE-OC-CR-F Dress up your Cummins with this billet aluminum oil cap cover. Fleece Performance Billet Rocker Arm Bridges 98.5-18 Dodge 5.9L / 6.7L Cummins FPE-BRAB-C1 1.00 Fleece Performance Billet Rocker Arm Bridges 98.5-18 Dodge 5.9L / 6.7L Cummins Fleece Performance Engineering FPE-BRAB-C1 Who doesn't like some billet under the hood? These rocker arm bridges will add a ton of rigidity to the inner workings of your Cummins, plus, they're just COOL! Fleece Upper Fan Pulley Idler (Black Finish Contrast Cut) 03-18 Dodge 5.9L / 6.7L Cummins FPE-34657-BLK-SPK 2.00 Fleece Upper Fan Pulley Idler (Black Finish Contrast Cut) 03-18 Dodge 5.9L / 6.7L Cummins Fleece Performance Engineering FPE-34657-BLK-SPK The upper fan pulley idler on the front end of your Cummins is a typical wear item. Upgrade yours with this contrast cut unit from Fleece. Fleece Fan Drive Pulley (Black Finish) 13-18 Ram 6.7L Cummins FPE-34659-BLK 2.00 Fleece Fan Drive Pulley (Black Finish) 13-18 Ram 6.7L Cummins Fleece Performance Engineering FPE-34659-BLK The fan drive pulley on the front end of your Cummins is a typical wear item. Upgrade yours with this black unit from Fleece. Fleece Fan Drive Pulley (Bare Aluminum Finish) 03-12 Dodge 5.9L / 6.7L Cummins FPE-34660-AL 2.00 Fleece Fan Drive Pulley (Bare Aluminum Finish) 03-12 Dodge 5.9L / 6.7L Cummins Fleece Performance Engineering FPE-34660-AL The fan drive pulley on the front end of your 5.9 or 6.7 Cummins is a typical wear item. Upgrade yours with this polished unit from Fleece. Fleece Fan Drive Pulley (Bare Aluminum Finish) 13-18 Ram 6.7L Cummins FPE-34659-AL 2.00 Fleece Fan Drive Pulley (Bare Aluminum Finish) 13-18 Ram 6.7L Cummins Fleece Performance Engineering FPE-34659-AL The fan drive pulley on the front end of your Cummins is a typical wear item. Upgrade yours with this polished unit from Fleece. Fleece Fan Drive Pulley (Black Finish) 03-12 Dodge 5.9L / 6.7L Cummins FPE-34660-BLK 2.00 Fleece Fan Drive Pulley (Black Finish) 03-12 Dodge 5.9L / 6.7L Cummins Fleece Performance Engineering FPE-34660-BLK The fan drive pulley on the front end of your 5.9 or 6.7 Cummins is a typical wear item. Upgrade yours with this black unit from Fleece. Fleece Upper Fan Idler for use with Electric Water Pump (Black Finish Contrast Cut) 03-18 5.9L / 6.7 FPE-34658-BLK-SPK 2.00 Fleece Upper Fan Idler for use with Electric Water Pump (Black Finish Contrast Cut) 03-18 5.9L / 6.7 Fleece Performance Engineering FPE-34658-BLK-SPK For those running an electric water pump and looking to add a heavy duty and stylish component to their engine, this is right up your alley. Featuring billet aluminum construction and a machined contrasting finish, it'll definitely add rigidity and a clean aesthetics to your engine bay. Fleece Performance Billet Rocker Arm Bridges 01-19 6.6L GM Duramax FPE-BRAB-D1 2.00 Fleece Performance Billet Rocker Arm Bridges 01-19 6.6L GM Duramax Fleece Performance Engineering FPE-BRAB-D1 Upgrade your valvetrain with these billet replacment rocker arm bridges for your 6.6L Duramax. These bridges offer a massive 2.5-time strength improvement over factory bridges. Fleece Performance Billet Oil Cap 01-16 6.6L GM Duramax FPE-DMAX-OC-BLK-main 1.00 Fleece Performance Billet Oil Cap 01-16 6.6L GM Duramax Fleece Performance Engineering FPE-DMAX-OC-BLK Dress up your Duramax with this billet aluminum oil cap. Sometime it's the little things that make you stand out. This cap is anodized and laser etched with the Fleece Performance logo.

Fleece Performance Engineering manufactures an entire line of engine related upgrades for your diesel. Upgraded pulleys, rocker arm bridges, pushrods, and even complete head assemblies under their Freedom Racing Engines division can be found under their one umbrella. Whether you're building a high horsepower street machine or looking for some mild upgrades to your daily driver, Fleece Performance Engineering offers upgrades to suit any budget.

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