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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Universal Pre-Formed 5/8 Inch Coolant Hose with 90 Degree Ends and T-fitting Fleece Performance
Regular price $28.84 USDSale price $28.84 USD Regular priceUnit price / per$30.28 USDSale -
Adapter Fitting -10AN Male to 1.325 Inch Bore Fleece Performance
Regular price $33.95 USDSale price $33.95 USD Regular priceUnit price / per$35.65 USDSale -
-10 90 Deg to Hose Barb Black Fleece Performance
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per$15.99 USDSale -
2007.5-2012 6.7L Cummins High Flow Intake Plenum Fleece Performance
Regular price $213.29 USDSale price $213.29 USD Regular priceUnit price / per$223.95 USDSale -
Fuel Line Retaining Clips for 11-16 Ford F250-F550 Powerstroke Fleece Performance
Regular price From $19.99 USDSale price From $19.99 USD Regular priceUnit price / per$20.99 USDSale -
1/2 Inch NPT Hex Socket Plug Black Fleece Performance
Regular price $4.49 USDSale price $4.49 USD Regular priceUnit price / per$5.49 USDSale -
SureFlo Sending Unit for 99-07 Ford Powerstroke (Long Bed)
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per$397.95 USDSale -
4 Inch Short Hood Stack Cover-Straight Cut Fleece Performance
Regular price $40.99 USDSale price $40.99 USD Regular priceUnit price / per$43.04 USDSale -
Fleece Performance Engine Mounted Filter Assembly for 6.7L Ford Powerstroke Fleece Performance
Regular price $199.00 USDSale price $199.00 USD Regular priceUnit price / per$208.95 USDSale -
2003-2007 3rd Gen Dodge/Cummins Fuel Filter Delete Fleece Performance
Regular price $79.25 USDSale price $79.25 USD Regular priceUnit price / per$83.21 USDSale -
Fuel Filter Bypass for 2011-2024 6.7L Ford Powerstroke Fleece Performance
Regular price $148.99 USDSale price $148.99 USD Regular priceUnit price / per$156.44 USDSale -
2010-2018 4th Gen Dodge/Cummins Fuel Filter Delete Fleece Performance
Regular price $59.95 USDSale price $59.95 USD Regular priceUnit price / per$62.95 USDSale -
Cheetah Turbocharger for 2019-2022 6.7L Cummins Fleece Performance
Regular price $3,099.00 USDSale price $3,099.00 USD Regular priceUnit price / per$3,199.00 USDSale -
Cummins Mechanical Fuel Pump Block Off Plate Fleece Performance
Regular price $36.99 USDSale price $36.99 USD Regular priceUnit price / per$38.84 USDSale -
Turbocharger Drain Tube Kit for 1994-2002 5.9L Cummins Fleece Performance
Regular price $99.99 USDSale price $99.99 USD Regular priceUnit price / per$104.99 USDSale -
Cummins Turbo Drain Tube Kit For 2nd Gen Swaps Fleece Performance
Regular price $99.95 USDSale price $99.95 USD Regular priceUnit price / per$104.95 USDSale -
Coolant Bypass Kit for 2007.5-2012 RAM with 6.7L Cummins Fleece Performance
Regular price $399.99 USDSale price $399.99 USD Regular priceUnit price / per$419.99 USDSale -
Turbo Drain Tube Kit for 2019-Present 6.7L Cummins Fleece Performance
Regular price $99.99 USDSale price $99.99 USD Regular priceUnit price / per$104.99 USDSale -
12mm Fuel Line Quick Connect Male Plug Fleece Performance
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per$15.74 USDSale -
1/2 Inch Fuel Line Quick Connect Male Plug Fleece Performance
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per$15.74 USDSale -
5/16 Inch Fuel Line Quick Connect Male Plug Fleece Performance
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per$15.74 USDSale -
3/8 Inch Fuel Line Quick Connect Male Plug Fleece Performance
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per$15.74 USDSale -
Fuel Line Quick Connect Male Plug Kit Fleece Performance
Regular price $42.49 USDSale price $42.49 USD Regular priceUnit price / per$44.61 USDSale -
2007.5-2012 Freedom Series™ Street 6.7L Cummins Common Rail Long Block
Regular price $11,799.00 USDSale price $11,799.00 USD Regular priceUnit price / per -
2007.5-2012 Freedom Series™ Street HD 6.7L Cummins Common Rail Long Block
Regular price $15,799.00 USDSale price $15,799.00 USD Regular priceUnit price / per -
2013-2018 Freedom Series™ Street HD 6.7L Cummins Common Rail Long Block
Regular price $15,799.00 USDSale price $15,799.00 USD Regular priceUnit price / per -
2013-2018 Freedom Series™ Street 6.7L Cummins Common Rail Long Block
Regular price $11,799.00 USDSale price $11,799.00 USD Regular priceUnit price / per -
Transmission Cooler and Line Kit for 1994-2002 Dodge Ram Fleece Performance
Regular price $859.00 USDSale price $859.00 USD Regular priceUnit price / per$901.95 USDSale
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!




















