Engine Components

Fleece Performance Model FPE-DMAX-CBOP2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage a...

Fleece Performance Model FPE-HAR-67-IAT-EXTSix inch extension harness for use with the Intake Air Temperature sensor located on the intake manifold...

Fleece Performance Model FPE-HAR-MU-PT-1Replacement connector with 4.5 inch pigtail for use in multiple locations on the Duramax, Ram with Cummins,...

Fleece Performance Model FPE-HAR-L5P-INJ-PT-8PA common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fu...

Fleece Performance Model FPE-6.7CR-COOL-PLUGWhen replacing the stock VGT turbo on your 6.7L Cummins with a non-water cooled turbo, these delete plu...

Fleece Performance Model FPE-351-SP-SENOur replacement turbine shaft speed sensor works on all 6.7L Cummins Holset HE351VE, HE300VE/VG, and HE400VG...

Fleece Performance Model FPE-34772All New! Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are...

Fleece Performance Model FPE-OC-CR-F-REDDress up your Cummins with this Red billet aluminum oil cap cover. It is anodized black and laser etched wi...

Fleece Performance Model FPE-OC-CR-F-BLUDress up your Cummins with this Blue billet aluminum oil cap cover. It is anodized black and laser etched w...

Fleece Performance Model FPE-LB7-IAH-DELETEThe Fleece Performance Intake Air Heater Delete is a simple way to remove the air intake heater on your ...

Fleece Performance Model FPE-DMAX-OC-BLKDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

Fleece Performance Model FPE-CUMM-FBOPCummins Mechanical Fuel Pump Block Off Plate. Have you upgraded from your factory mechanical lift pump to an ...

Fleece Performance Model FPE-LML-RESOur resonator delete plate is designed to fit your factory intake elbow perfectly so it requires no modificatio...

Fleece Performance Model FPE-HAR-CP3-EXTRegulator extension harness for use with Bosch CP3's used in 6.6L Duramax applications.

Fleece Performance Model FPE-DMAX-OC-REDDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

Fleece Performance Model FPE-61-10004-PIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

Fleece Performance Model FPE-61-10004-DIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in ou...

Fleece Performance Model FPE-61-10001-P-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

Fleece Performance Model FPE-61-10001-D-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

Fleece Performance Model FPE-34771All New! Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are...