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-CLNTBYPS-12V Cummins-12V Coolant Bypass Kit | 1994-1998 Dodge RAM 2500/3500 5.9L 12V Cummins
Fleece FPE-CLNTBYPS-12V Cummins-12V Coolant Bypass Kit | 1994-1998 Dodge RAM 2500/3500 5.9L 12V Cummins

Fleece Performance Products

Fleece FPE-CLNTBYPS-12V Cummins-12V Coolant Bypass Kit | 1994-1998 Dodge RAM 2500/3500 5.9L 12V Cummins

SKU: FLCFPE-CLNTBYPS-CUMMINS-12V
Price
$379
Fleece FPE-ALILKR AlliLocker Allison Torque Converter Controller | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-ALILKR AlliLocker Allison Torque Converter Controller | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-ALILKR AlliLocker Allison Torque Converter Controller | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-ALILKR
Price
$179
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-61-10003-P
Price
$1,099
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-61-10003-D
Price
$1,099
Fleece FPE-34200-8 8 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal
Fleece FPE-34200-8 8 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal

Fleece Performance Products

Fleece FPE-34200-8 8 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal

SKU: FLCFPE-34200-8
Price
$44
Fleece FPE-34200-12 12 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal
Fleece FPE-34200-12 12 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal

Fleece Performance Products

Fleece FPE-34200-12 12 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal

SKU: FLCFPE-34200-12
Price
$52
Fleece FPE-34197 Fuel Rail Adapter Fitting | 2012-2018 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-34197 Fuel Rail Adapter Fitting | 2012-2018 Dodge RAM 2500/3500 6.7L Cummins

Fleece Performance Products

Fleece FPE-34197 Fuel Rail Adapter Fitting | 2012-2018 Dodge RAM 2500/3500 6.7L Cummins

SKU: FLCFPE-34197
Price
$23.70
Fleece FPE-34200-10 10 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal
Fleece FPE-34200-10 10 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal

Fleece Performance Products

Fleece FPE-34200-10 10 inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts | Universal

SKU: FLCFPE-34200-10
Price
$48
Fleece FPE-TL-LML-1516 Transmission Cooler Line Set | 2015-2016 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-TL-LML-1516 Transmission Cooler Line Set | 2015-2016 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-TL-LML-1516 Transmission Cooler Line Set | 2015-2016 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LML

SKU: FLCFPE-TL-LML-1516
Sale price
$329.99
Regular price
$346.49
Fleece FPE-TL-LML-1114 Transmission Cooler Line Set | 2011-2014 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LML
Fleece FPE-TL-LML-1114 Transmission Cooler Line Set | 2011-2014 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LML

Fleece Performance Products

Fleece FPE-TL-LML-1114 Transmission Cooler Line Set | 2011-2014 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax LML

SKU: FLCFPE-TL-LML-1114
Sale price
$329.99
Regular price
$346.49
Fleece FPE-CUMM-IHK-0724 Performance Intake and Grid Heater Kit | 2007.5-2024 Dodge RAM 2500/3500 6.7L Cummins
Fleece FPE-CUMM-IHK-0724 Performance Intake and Grid Heater Kit | 2007.5-2024 Dodge RAM 2500/3500 6.7L Cummins

Fleece Performance Products

Fleece FPE-CUMM-IHK-0724 Performance Intake and Grid Heater Kit | 2007.5-2024 Dodge RAM 2500/3500 6.7L Cummins

SKU: FLCFPE-CUMM-IHK-0724
Sale price
$599
Regular price
$628.95
Fleece FPE-61-10014-P Freedom Series Duramax Cylinder Head (Passenger Side) | 2017-2023 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
Fleece FPE-61-10014-P Freedom Series Duramax Cylinder Head (Passenger Side) | 2017-2023 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax

Fleece Performance Products

Fleece FPE-61-10014-P Freedom Series Duramax Cylinder Head (Passenger Side) | 2017-2023 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax

SKU: FPE-61-10014-P
Sale price
$1,099
Regular price
$1,199
Fleece FPE-61-10014-D Freedom Series Duramax Cylinder Head (Driver Side) | 2017-2023 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
Fleece FPE-61-10014-D Freedom Series Duramax Cylinder Head (Driver Side) | 2017-2023 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax

Fleece Performance Products

Fleece FPE-61-10014-D Freedom Series Duramax Cylinder Head (Driver Side) | 2017-2023 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax

SKU: FPE-61-10014-D
Sale price
$1,099
Regular price
$1,199
Fleece FPE-61-10013-HD Freedom Series 12 Valve Cummins Cylinder Head (Street HD) | 1994-1998 Dodge Ram 2500/3500 5.9L 12V Cummins
Fleece FPE-61-10013-HD Freedom Series 12 Valve Cummins Cylinder Head (Street HD) | 1994-1998 Dodge Ram 2500/3500 5.9L 12V Cummins

Fleece Performance Products

Fleece FPE-61-10013-HD Freedom Series 12 Valve Cummins Cylinder Head (Street HD) | 1994-1998 Dodge Ram 2500/3500 5.9L 12V Cummins

SKU: FPE-61-10013-HD
Sale price
$1,749
Regular price
$1,799
Fleece FPE-CUMM-HCL-KIT-9902 Heater Feed and Return Hose Kit | 1998.5-2002 Dodge RAM 2500/3500 5.9L Cummins VP
Fleece FPE-CUMM-HCL-KIT-9902 Heater Feed and Return Hose Kit | 1998.5-2002 Dodge RAM 2500/3500 5.9L Cummins VP

Fleece Performance Products

Fleece FPE-CUMM-HCL-KIT-9902 Heater Feed and Return Hose Kit | 1998.5-2002 Dodge RAM 2500/3500 5.9L Cummins VP

SKU: FLCFPE-CUMM-HCL-KIT-9902
Sale price
$79.99
Regular price
$83.99
Fleece FPE-HAR-CUMM-ECM-96-GY ECM Connector Repair Kit for Cummins CM2350/2450 - 96 Pin (Gray) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V
Fleece FPE-HAR-CUMM-ECM-96-GY ECM Connector Repair Kit for Cummins CM2350/2450 - 96 Pin (Gray) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V

Fleece Performance Products

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

SKU: FLCFPE-HAR-CUMM-ECM-96-GY
Sale price
$189
Regular price
$198.45
Fleece FPE-HAR-CUMM-ECM-96-BL ECM Connector Repair Kit CM2350/2450 - 96 Pin (Blue) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V
Fleece FPE-HAR-CUMM-ECM-96-BL ECM Connector Repair Kit CM2350/2450 - 96 Pin (Blue) | 2013-2024 RAM 2500/3500 6.7L Cummins 24V

Fleece Performance Products

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

SKU: FLCFPE-HAR-CUMM-ECM-96-BL
Sale price
$189
Regular price
$198.45
Fleece FPE-HAR-CUMM-ECM-96-GR ECM Connector Repair Kit | 2013-2024 RAM 4500/5500 6.7L Cummins 24V C&C
Fleece FPE-HAR-CUMM-ECM-96-GR ECM Connector Repair Kit | 2013-2024 RAM 4500/5500 6.7L Cummins 24V C&C

Fleece Performance Products

Fleece FPE-HAR-CUMM-ECM-96-GR ECM Connector Repair Kit | 2013-2024 RAM 4500/5500 6.7L Cummins 24V C&C

SKU: FLCFPE-HAR-CUMM-ECM-96-GR
Sale price
$189
Regular price
$198.45
Fleece FPE-HAR-LM2-INJ-12P-PT Injector Harness Pigtail | 2020-2024 GM 3.0L Duramax LM2/LZ0
Fleece FPE-HAR-LM2-INJ-12P-PT Injector Harness Pigtail | 2020-2024 GM 3.0L Duramax LM2/LZ0

Fleece Performance Products

Fleece FPE-HAR-LM2-INJ-12P-PT Injector Harness Pigtail | 2020-2024 GM 3.0L Duramax LM2/LZ0

SKU: FLCFPE-HAR-LM2-INJ-12P-PT
Sale price
$49.99
Regular price
$52.49
Fleece FPE-HAR-FMC-EXBP-2020-PT Exhaust Backpressure Sensor Pigtail | 2020-2024 Ford 250/350/450 Super Duty 6.7L Powerstroke
Fleece FPE-HAR-FMC-EXBP-2020-PT Exhaust Backpressure Sensor Pigtail | 2020-2024 Ford 250/350/450 Super Duty 6.7L Powerstroke

Fleece Performance Products

Fleece FPE-HAR-FMC-EXBP-2020-PT Exhaust Backpressure Sensor Pigtail | 2020-2024 Ford 250/350/450 Super Duty 6.7L Powerstroke

SKU: FLCFPE-HAR-FMC-EXBP-2020-PT
Sale price
$39.99
Regular price
$41.99
Fleece FPE-HAR-DMAX-RP-0610 Rail Pressure Sensor Harness | 2006-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax
Fleece FPE-HAR-DMAX-RP-0610 Rail Pressure Sensor Harness | 2006-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-HAR-DMAX-RP-0610 Rail Pressure Sensor Harness | 2006-2010 GM Sierra/Silverado 2500HD/3500HD 6.6L Duramax

SKU: FLCFPE-HAR-DMAX-RP-0610
Sale price
$79.99
Regular price
$83.99
Fleece FPE-61-10011-HD Freedom Series HD Cylinder Head - 18mm Dowel | 2003-2007 Ford Super Duty 6.0L Powerstroke
Fleece FPE-61-10011-HD Freedom Series HD Cylinder Head - 18mm Dowel | 2003-2007 Ford Super Duty 6.0L Powerstroke

Fleece Performance Products

Fleece FPE-61-10011-HD Freedom Series HD Cylinder Head - 18mm Dowel | 2003-2007 Ford Super Duty 6.0L Powerstroke

SKU: FLCFPE-61-10011-HD
Sale price
$1,599
Regular price
$1,649
Fleece FPE-61-10012-HD Freedom Series HD Cylinder Head - 20mm Dowel | 2003-2007 Ford F250/F350 Super Duty 6.0L Powerstroke
Fleece FPE-61-10012-HD Freedom Series HD Cylinder Head - 20mm Dowel | 2003-2007 Ford F250/F350 Super Duty 6.0L Powerstroke

Fleece Performance Products

Fleece FPE-61-10012-HD Freedom Series HD Cylinder Head - 20mm Dowel | 2003-2007 Ford F250/F350 Super Duty 6.0L Powerstroke

SKU: FLCFPE-61-10012-HD
Sale price
$1,599
Regular price
$1,649
Fleece FPE-HAR-GM-NSBU-0104 NSBU Pigtails | 2001-2004 GM 6.6L Duramax w/ Allison Transmission
Fleece FPE-HAR-GM-NSBU-0104 NSBU Pigtails | 2001-2004 GM 6.6L Duramax w/ Allison Transmission

Fleece Performance Products

Fleece FPE-HAR-GM-NSBU-0104 NSBU Pigtails | 2001-2004 GM 6.6L Duramax w/ Allison Transmission

SKU: FLCFPE-HAR-GM-NSBU-0104
Price
$79.99

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