Collection: Fleece Performance Engineering
Fleece Performance – Premium Diesel Performance Parts & Upgrades
Fleece Performance is a pioneer in the diesel performance industry, offering high-quality, innovative parts designed to enhance power, efficiency, and reliability. Whether you own a Cummins, Duramax, or Power Stroke engine, our products are engineered to deliver superior performance, meeting the...
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Fleece Performance FPE-DMAX-CP3-10MM PowerFlo 750 CP3 Pump
Regular price $2,049.00 USDSale price $2,049.00 USD Regular priceUnit price / per -
Fleece Performance FPE-TUFSHAFTS TufShafts
Regular price $1,099.00 USDSale price $1,099.00 USD Regular priceUnit price / per -
Fleece Performance FPE-ALILKR AlliLocker Torque Converter Lock-Up Controller
Regular price $179.00 USDSale price $179.00 USD Regular priceUnit price / per -
Fleece Performance FPE-TAPSHIFTER12 2001-2002 GM/Allison TapShifter
Regular price $399.00 USDSale price $399.00 USD Regular priceUnit price / per -
Fleece Performance FPE-34780 Auxiliary Fuel Filter and Line Kit for 1998.5-2002 Dodge Cummins
Regular price $299.00 USDSale price $299.00 USD Regular priceUnit price / per -
Fleece Performance FPE-T4PED-SPACER1.5 T4 Pedestal Spacer - 1.5" Thick
Regular price $119.74 USDSale price $119.74 USD Regular priceUnit price / per -
Fleece Performance FPE-T4PED-SPACER1.0 T4 Spacer - 1.0" Thick
Regular price $99.74 USDSale price $99.74 USD Regular priceUnit price / per -
Fleece Performance FPE-FL-CUMM-6.7-SET Fuel Injection Line Set for 2007.5-2018 6.7L Dodge Cummins
Regular price $359.99 USDSale price $359.99 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-67E-LB 2007.5-2012 Freedom Street Series 6.7L Cummins Common Rail Long Block
Regular price $11,999.00 USDSale price $11,999.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-67E-LB-HD 2007.5-2012 Freedom Street HD Series 6.7L Cummins Common Rail Long Block
Regular price $15,499.00 USDSale price $15,499.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-59E-LB-HD 2003-2004 Freedom Street HD Series 5.9L Cummins Common Rail Long Block
Regular price $15,499.00 USDSale price $15,499.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-59E-LB 2003-2004 Freedom Street Series 5.9L Cummins Common Rail Long Block
Regular price $10,499.95 USDSale price $10,499.95 USD Regular priceUnit price / per -
Fleece Performance FPE-SF-FMC-9907-LB SureFlo Performance Sending Unit for 1999-2007 Ford Powerstroke (Long Bed)
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
Fleece Performance Replacement Billet Aluminum CCV Tube Coupler for 2019-2024 Ram FPE-CUMM-CCV-19
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Fleece Performance Alternator Pigtail for 2007-2022 RAM with Cummins FPE-HAR-CUMM-ALT-0722
Regular price $20.99 USDSale price $20.99 USD Regular priceUnit price / per -
Fleece Performance Cooling Fan Pigtail for Ford Powerstroke (2020+) FPE-HAR-FMC-FAN-20-PT
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance Camshaft Position Sensor Pigtail for 2003-2010 Ford 6.0/6.4 Powerstroke FPE-HAR-FMC-CAM-0310
Regular price $37.99 USDSale price $37.99 USD Regular priceUnit price / per -
Fleece Performance Cummins Valve Cover Conversion Harness (2006+ to 03-05) FPE-HAR-CUMM-VC-ADPT-LATE
Regular price $139.99 USDSale price $139.99 USD Regular priceUnit price / per -
Fleece Performance Cummins Valve Cover Conversion Harness (03-05 to 2006+) FPE-HAR-CUMM-VC-ADPT-EARLY
Regular price $139.99 USDSale price $139.99 USD Regular priceUnit price / per -
Fleece Performance Turbocharger Installation Kit for 1994-2002 Cummins HX35 Turbochargers FPE-CUMM-HX35-INST-KIT-9402
Regular price $35.99 USDSale price $35.99 USD Regular priceUnit price / per -
Fleece Performance Turbocharger Installation Kit for 2003-2007 5.9L Cummins CW Turbochargers FPE-CUMM-CW-INST-KIT-0307
Regular price $35.99 USDSale price $35.99 USD Regular priceUnit price / per -
Fleece Performance Turbocharger Installation Kit for 2019-2024 6.7L Cummins VGT Turbochargers FPE-CUMM-VGT-INST-KIT-19
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price / per -
Fleece Performance Fleece Performance Fuel Rail Pressure Harness for LML 6.6L Duramax FPE-HAR-DMAX-LML-RP
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price / per -
Fleece Performance Charging Circuit Harness for 2011-2016 Ford 6.7L Power Stroke FPE-HAR-FMC-CCH-1116
Regular price $125.99 USDSale price $125.99 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-59L-LB-HD Freedom Street HD Series Long Block for 2004.5-2007 5.9L Cummins Common Rail
Regular price $15,500.00 USDSale price $15,500.00 USD Regular priceUnit price / per -
Fleece Performance 2007.5-2012 Exhaust Back Pressure Relocation Kit for 6.7 Cummins FPE-CUMM-EBP-KIT-0712
Regular price $114.99 USDSale price $114.99 USD Regular priceUnit price / per -
Fleece Performance HP Fuel Line Adaptation Kit - 5.9L to 6.7L Cummins CP3 FPE-CUMM-CP3-FL-ADPT-KIT
Regular price $119.99 USDSale price $119.99 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Billet Aluminum Universal Block Off Plug FPE-34070
Regular price $6.47 USDSale price $6.47 USD Regular priceUnit price / per
Unleash the Power of Diesel Trucks with Fleece Performance Engineering!
Discover the pinnacle of diesel performance with Fleece Performance Engineering's cutting-edge parts. Experience unrivaled power, efficiency, and excellence as you take your truck to new heights of performance. Our precision-engineered products ensure seamless integration, making every ride a seamless joy. Say goodbye to average and embrace extraordinary acceleration, towing prowess, and fuel efficiency.
Join the league of truck owners who dominate the road and conquer tough terrains effortlessly. Fueled by our commitment to excellence and innovation, Fleece Performance Engineering offers you a lasting partnership for all your diesel needs.
Upgrade your diesel truck today and embrace a new era of diesel dominance. Order your Fleece Performance Engineering products now and unleash the true potential of your truck!



















