Fleece Performance Products

Fleece Performance Products

Equipping diesel parts and accessories can get your heavy-duty diesel truck massive amounts of horsepower and torque. Fleece has just about vast selection of upgrades to get your diesel truck much needed power gains over stock. Fleece offers fuel upgrades, turbo system upgrades, intake upgrades, and more to add power and performance to your aggressive truck. Fleece has Duramax upgrades, Cummins upgrades, and Powerstroke upgrades available that will give your tough diesel truck power, torque, and throttle response gains. Fleece offers a vast selection of diesel power upgrades to provide you exactly what you need to maximize your diesels performance.

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Fleece FPE-61-10004-P Cylinder Head (Passenger Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-P Cylinder Head (Passenger Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-P Cylinder Head (Passenger Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-P Cylinder Head (Passenger Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-P Cylinder Head (Passenger Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-61-10004-P Cylinder Head (Passenger Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: FLCFPE-61-10004-P
$1,099
Fleece FPE-61-10004-D Cylinder Head (Driver Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-D Cylinder Head (Driver Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-D Cylinder Head (Driver Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-D Cylinder Head (Driver Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-61-10004-D Cylinder Head (Driver Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-61-10004-D Cylinder Head (Driver Side) | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

SKU: FLCFPE-61-10004-D
$1,099
Fleece FPE-34797 105LB Valve Spring and Retainer Set | 1998.5-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins
Fleece FPE-34797 105LB Valve Spring and Retainer Set | 1998.5-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins
Fleece FPE-34797 105LB Valve Spring and Retainer Set | 1998.5-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins

Fleece Performance Products

Fleece FPE-34797 105LB Valve Spring and Retainer Set | 1998.5-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: FLCFPE-34797
$499.99
Fleece FPE-34754 Fuel System Upgrade Kit with PowerFlo Lift Pump | 1998.5-2002 Dodge RAM 2500/3500 5.9L 24V Cummins
Fleece FPE-34754 Fuel System Upgrade Kit with PowerFlo Lift Pump | 1998.5-2002 Dodge RAM 2500/3500 5.9L 24V Cummins
Fleece FPE-34754 Fuel System Upgrade Kit with PowerFlo Lift Pump | 1998.5-2002 Dodge RAM 2500/3500 5.9L 24V Cummins
Fleece FPE-34754 Fuel System Upgrade Kit with PowerFlo Lift Pump | 1998.5-2002 Dodge RAM 2500/3500 5.9L 24V Cummins
Fleece FPE-34754 Fuel System Upgrade Kit with PowerFlo Lift Pump | 1998.5-2002 Dodge RAM 2500/3500 5.9L 24V Cummins

Fleece Performance Products

Fleece FPE-34754 Fuel System Upgrade Kit with PowerFlo Lift Pump | 1998.5-2002 Dodge RAM 2500/3500 5.9L 24V Cummins

SKU: FLCFPE-34754
$1,049
Fleece FPE-34196 Dual Pump Kit Junction Block with Rail Sensor Port | 2003-2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Fleece FPE-34196 Dual Pump Kit Junction Block with Rail Sensor Port | 2003-2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Fleece FPE-34196 Dual Pump Kit Junction Block with Rail Sensor Port | 2003-2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Fleece Performance Products

Fleece FPE-34196 Dual Pump Kit Junction Block with Rail Sensor Port | 2003-2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

SKU: FLCFPE-34196
$122.55
Fleece FPE-CUMM-LHCL-1324 Lower Heater Return Hose | 2013-2024 RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-LHCL-1324 Lower Heater Return Hose | 2013-2024 RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-LHCL-1324 Lower Heater Return Hose | 2013-2024 RAM 2500/3500 6.7L Cummins

Fleece Performance Products

Fleece FPE-CUMM-LHCL-1324 Lower Heater Return Hose | 2013-2024 RAM 2500/3500 6.7L Cummins

SKU: FLCFPE-CUMM-LHCL-1324
$49.99
$52.49
Fleece FPE-CUMM-HCL-KIT-0312 Heater Feed and Return Hose Kit | 2003-2012 RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-HCL-KIT-0312 Heater Feed and Return Hose Kit | 2003-2012 RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-HCL-KIT-0312 Heater Feed and Return Hose Kit | 2003-2012 RAM 2500/3500 6.7L Cummins

Fleece Performance Products

Fleece FPE-CUMM-HCL-KIT-0312 Heater Feed and Return Hose Kit | 2003-2012 RAM 2500/3500 6.7L Cummins

SKU: FLCFPE-CUMM-HCL-KIT-0312
$99.99
$104.99
Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-DMAX-CBOP
$55
$58.79
Fleece FPE-CUMM-LHCL-0312 Lower Heater Return Hose | 2003-2012 Dodge Ram 2500/3500 5.9L/6.7L Cummins
Fleece FPE-CUMM-LHCL-0312 Lower Heater Return Hose | 2003-2012 Dodge Ram 2500/3500 5.9L/6.7L Cummins
Fleece FPE-CUMM-LHCL-0312 Lower Heater Return Hose | 2003-2012 Dodge Ram 2500/3500 5.9L/6.7L Cummins

Fleece Performance Products

Fleece FPE-CUMM-LHCL-0312 Lower Heater Return Hose | 2003-2012 Dodge Ram 2500/3500 5.9L/6.7L Cummins

SKU: FLCFPE-CUMM-LHCL-0312
$39.99
$41.99
Fleece FPE-HAR-CUMM-ECM-96-BR ECM Connector Repair Kit CM2350/2450 - 96 Pin (Brown) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V
Fleece FPE-HAR-CUMM-ECM-96-BR ECM Connector Repair Kit CM2350/2450 - 96 Pin (Brown) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V
Fleece FPE-HAR-CUMM-ECM-96-BR ECM Connector Repair Kit CM2350/2450 - 96 Pin (Brown) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V

Fleece Performance Products

Fleece FPE-HAR-CUMM-ECM-96-BR ECM Connector Repair Kit CM2350/2450 - 96 Pin (Brown) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V

SKU: FLCFPE-HAR-CUMM-ECM-96-BR
$189
$198.45
Fleece FPE-HAR-GM-NSBU-0405 NSBU Pigtail | 2004.5-2005 GM 6.6L Duramax w/ Allison Transmission
Fleece FPE-HAR-GM-NSBU-0405 NSBU Pigtail | 2004.5-2005 GM 6.6L Duramax w/ Allison Transmission
Fleece FPE-HAR-GM-NSBU-0405 NSBU Pigtail | 2004.5-2005 GM 6.6L Duramax w/ Allison Transmission
Fleece FPE-HAR-GM-NSBU-0405 NSBU Pigtail | 2004.5-2005 GM 6.6L Duramax w/ Allison Transmission

Fleece Performance Products

Fleece FPE-HAR-GM-NSBU-0405 NSBU Pigtail | 2004.5-2005 GM 6.6L Duramax w/ Allison Transmission

SKU: FLCFPE-HAR-GM-NSBU-0405
$69.99
Fleece FPE-HAR-FMC-CCH-19 Charging Circuit Harness | 2019 Ford 6.7L Power Stroke
Fleece FPE-HAR-FMC-CCH-19 Charging Circuit Harness | 2019 Ford 6.7L Power Stroke
Fleece FPE-HAR-FMC-CCH-19 Charging Circuit Harness | 2019 Ford 6.7L Power Stroke

Fleece Performance Products

Fleece FPE-HAR-FMC-CCH-19 Charging Circuit Harness | 2019 Ford 6.7L Power Stroke

SKU: FLCFPE-HAR-FMC-CCH-19
$125.99
Fleece FPE-HAR-FMC-CCH-1718 Changing Circuit Harness | 2017-2018 Ford 6.7L Power Stroke
Fleece FPE-HAR-FMC-CCH-1718 Changing Circuit Harness | 2017-2018 Ford 6.7L Power Stroke
Fleece FPE-HAR-FMC-CCH-1718 Changing Circuit Harness | 2017-2018 Ford 6.7L Power Stroke

Fleece Performance Products

Fleece FPE-HAR-FMC-CCH-1718 Changing Circuit Harness | 2017-2018 Ford 6.7L Power Stroke

SKU: FLCFPE-HAR-FMC-CCH-1718
$125.99
Fleece FPE-HAR-CUMM-VC-ADPT-LATE Cummins Valve Cover Conversion Harness | 2006-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins
Fleece FPE-HAR-CUMM-VC-ADPT-LATE Cummins Valve Cover Conversion Harness | 2006-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins
Fleece FPE-HAR-CUMM-VC-ADPT-LATE Cummins Valve Cover Conversion Harness | 2006-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins
Fleece FPE-HAR-CUMM-VC-ADPT-LATE Cummins Valve Cover Conversion Harness | 2006-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins

Fleece Performance Products

Fleece FPE-HAR-CUMM-VC-ADPT-LATE Cummins Valve Cover Conversion Harness | 2006-2018 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: FLCFPE-HAR-CUMM-VC-ADPT-LATE
$139.99
Fleece FPE-CUMM-HX35-INST-KIT-9402 Turbocharger Installation Kit | 1994-2002 Dodge RAM 2500/3500 5.9L Cummins
Fleece FPE-CUMM-HX35-INST-KIT-9402 Turbocharger Installation Kit | 1994-2002 Dodge RAM 2500/3500 5.9L Cummins

Fleece Performance Products

Fleece FPE-CUMM-HX35-INST-KIT-9402 Turbocharger Installation Kit | 1994-2002 Dodge RAM 2500/3500 5.9L Cummins

SKU: FLCFPE-CUMM-HX35-INST-KIT-9402
$35.99
Fleece FPE-CUMM-CW-INST-KIT-0307 Turbocharger Installation Kit | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Fleece FPE-CUMM-CW-INST-KIT-0307 Turbocharger Installation Kit | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Fleece Performance Products

Fleece FPE-CUMM-CW-INST-KIT-0307 Turbocharger Installation Kit | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: FLCFPE-CUMM-CW-INST-KIT-0307
$35.99
Fleece FPE-CUMM-VGT-INST-KIT Turbocharger Installation Kit | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-VGT-INST-KIT Turbocharger Installation Kit | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins

Fleece Performance Products

Fleece FPE-CUMM-VGT-INST-KIT Turbocharger Installation Kit | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins

SKU: FLCFPE-CUMM-VGT-INST-KIT
$39.99
Fleece FPE-CUMM-HG-5.9-FR Fire Ring Head Gasket | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Fleece FPE-CUMM-HG-5.9-FR Fire Ring Head Gasket | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Fleece FPE-CUMM-HG-5.9-FR Fire Ring Head Gasket | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Fleece FPE-CUMM-HG-5.9-FR Fire Ring Head Gasket | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Fleece FPE-CUMM-HG-5.9-FR Fire Ring Head Gasket | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Fleece Performance Products

Fleece FPE-CUMM-HG-5.9-FR Fire Ring Head Gasket | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: FLCFPE-CUMM-HG-5.9-FR
$339
Fleece FPE-CUMM-HG-6.7-FR Fire Ring Head Gasket | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-HG-6.7-FR Fire Ring Head Gasket | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-HG-6.7-FR Fire Ring Head Gasket | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-HG-6.7-FR Fire Ring Head Gasket | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-HG-6.7-FR Fire Ring Head Gasket | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-HG-6.7-FR Fire Ring Head Gasket | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins

Fleece Performance Products

Fleece FPE-CUMM-HG-6.7-FR Fire Ring Head Gasket | 2007.5-2018 Dodge RAM 2500/3500 6.7L Cummins

SKU: FLCFPE-CUMM-HG-6.7-FR
$349
Fleece FPE-DON-P555095-12 Set of 12 Donaldson P555095 Replacement Fuel Filters | 2011-2024 Ford F250/F350 6.7L Powerstroke
Fleece FPE-DON-P555095-12 Set of 12 Donaldson P555095 Replacement Fuel Filters | 2011-2024 Ford F250/F350 6.7L Powerstroke
Fleece FPE-DON-P555095-12 Set of 12 Donaldson P555095 Replacement Fuel Filters | 2011-2024 Ford F250/F350 6.7L Powerstroke
Fleece FPE-DON-P555095-12 Set of 12 Donaldson P555095 Replacement Fuel Filters | 2011-2024 Ford F250/F350 6.7L Powerstroke

Fleece Performance Products

Fleece FPE-DON-P555095-12 Set of 12 Donaldson P555095 Replacement Fuel Filters | 2011-2024 Ford F250/F350 6.7L Powerstroke

SKU: FLCFPE-DON-P555095-12
$229.99
Fleece FPE-FF-M16-ADPT M16x1.5 Fuel Filter Adapter Fitting | 2011-2025 Ford F250/F350 6.7L Powerstroke
Fleece FPE-FF-M16-ADPT M16x1.5 Fuel Filter Adapter Fitting | 2011-2025 Ford F250/F350 6.7L Powerstroke
Fleece FPE-FF-M16-ADPT M16x1.5 Fuel Filter Adapter Fitting | 2011-2025 Ford F250/F350 6.7L Powerstroke
Fleece FPE-FF-M16-ADPT M16x1.5 Fuel Filter Adapter Fitting | 2011-2025 Ford F250/F350 6.7L Powerstroke

Fleece Performance Products

Fleece FPE-FF-M16-ADPT M16x1.5 Fuel Filter Adapter Fitting | 2011-2025 Ford F250/F350 6.7L Powerstroke

SKU: FLCFPE-FF-M16-ADPT
$15.99
Fleece FPE-FH-FMC Fuel Heater & Harness | 2011-2016 Ford F250/F350 6.7L Powerstroke
Fleece FPE-FH-FMC Fuel Heater & Harness | 2011-2016 Ford F250/F350 6.7L Powerstroke

Fleece Performance Products

Fleece FPE-FH-FMC Fuel Heater & Harness | 2011-2016 Ford F250/F350 6.7L Powerstroke

SKU: FLCFPE-FH-FMC
$189
Fleece FPE-HAR-GM-AT-20-PT Automatic Transmission 20-Pin Pigtail | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-GM-AT-20-PT Automatic Transmission 20-Pin Pigtail | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-GM-AT-20-PT Automatic Transmission 20-Pin Pigtail | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-GM-AT-20-PT Automatic Transmission 20-Pin Pigtail | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-GM-AT-20-PT Automatic Transmission 20-Pin Pigtail | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-HAR-GM-AT-20-PT Automatic Transmission 20-Pin Pigtail | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-HAR-GM-AT-20-PT
$99.99
Fleece FPE-PF-FMC-1116-LB PowerFlo Lift Pump Upgrade Kit | 2011-2016 Ford F250/F350 6.7L Powerstroke Long Bed
Fleece FPE-PF-FMC-1116-LB PowerFlo Lift Pump Upgrade Kit | 2011-2016 Ford F250/F350 6.7L Powerstroke Long Bed
Fleece FPE-PF-FMC-1116-LB PowerFlo Lift Pump Upgrade Kit | 2011-2016 Ford F250/F350 6.7L Powerstroke Long Bed

Fleece Performance Products

Fleece FPE-PF-FMC-1116-LB PowerFlo Lift Pump Upgrade Kit | 2011-2016 Ford F250/F350 6.7L Powerstroke Long Bed

SKU: FLCFPE-PF-FMC-1116-LB
$1,099

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