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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Duramax Oil Cooler Adapter O-Ring Kit Fleece Performance
Regular price $8.99 USDSale price $8.99 USD Regular priceUnit price per$9.44 USDSale -
2003-2007 3rd Gen Dodge/Cummins Fuel Distribution Block Fleece Performance
Regular price $166.66 USDSale price $166.66 USD Regular priceUnit price per$174.99 USDSale -
Cummins 24V Spring and Retainer Set Fleece Performance
Regular price $499.99 USDSale price $499.99 USD Regular priceUnit price per$524.98 USDSale -
Freedom Series HD Cylinder Head for the 6.0L PowerStroke - 20mm Dowel Fleece Performance
Regular price $1,599.00 USDSale price $1,599.00 USD Regular priceUnit price per$1,649.00 USDSale -
Freedom Series 15W-50 Racing Oil (Case - 12 Quarts) Fleece Performance
Regular price $176.28 USDSale price $176.28 USD Regular priceUnit price per$188.09 USDSale -
6.7L Freedom Series Cummins 07.5-18 Ram 2500/3500 Cylinder Head Performance
Regular price $3,750.00 USDSale price $3,750.00 USD Regular priceUnit price per$3,899.00 USDSale -
5.9L Dual Pump Hardware Kit for 03-07 Ram 2500/3500 Cummins Fleece Performance
Regular price $780.00 USDSale price $780.00 USD Regular priceUnit price per$819.00 USDSale -
6.7L Dual Pump Hardware Kit for 10-12 Ram 2500/3500 Cummins Fleece Performance
Regular price $780.00 USDSale price $780.00 USD Regular priceUnit price per$819.00 USDSale -
Donaldson P553203 Case of 12 Fuel Filters for Fleece L5P Duramax Fuel Filter Kits and 1998.5-2018 Dodge Ram Cummins Auxiliary Fuel Filter Kits Fleece Performance
Regular price $339.00 USDSale price $339.00 USD Regular priceUnit price per$355.95 USDSale -
1/2 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) Fleece Performance
Regular price $16.99 USDSale price $16.99 USD Regular priceUnit price per$17.99 USDSale -
2004.5-2007 Cummins 63mm FMW Holset Cheetah Turbocharger Fleece Performance
Regular price $1,899.00 USDSale price $1,899.00 USD Regular priceUnit price per$1,993.95 USDSale -
Lower Heater Return Hose for 2003-2012 Cummins Equipped Ram Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price per$41.99 USDSale -
2001-2016 Duramax Oil Cap Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price per$41.98 USDSale -
Water Resistant Pre-Filter (FPE-34133) Fleece 2nd Gen Swap Air Filter Fleece Performance
Regular price $44.17 USDSale price $44.17 USD Regular priceUnit price per$46.50 USDSale -
2003-2004 Cummins 63mm FMW Holset Cheetah Turbocharger Fleece Performance
Regular price $1,899.00 USDSale price $1,899.00 USD Regular priceUnit price per$1,993.95 USDSale -
6.7L Dual Pump Hardware Kit for 07.5-09 RAM 2500/3500 Cummins Fleece Performance
Regular price $780.00 USDSale price $780.00 USD Regular priceUnit price per$819.00 USDSale -
2007.5-2012 Dodge 2500/3500 Cummins 63mm FMW Holset VGT Cheetah Turbocharger Fleece Performance
Regular price $3,099.00 USDSale price $3,099.00 USD Regular priceUnit price per$3,149.00 USDSale -
OE Replacement Rocker Arm Assembly for 5.9L and 6.7L Cummins Engines Fleece Performance
Regular price $119.99 USDSale price $119.99 USD Regular priceUnit price per$125.99 USDSale -
Replacement Thermostat Housing with Auxiliary Port 2019-Present RAM 6.7L Cummins Fleece Performance
Regular price $129.99 USDSale price $129.99 USD Regular priceUnit price per$136.49 USDSale -
Duramax PowerFlo 750 CP3 Fleece Performance
Regular price $2,049.00 USDSale price $2,049.00 USD Regular priceUnit price per$2,099.00 USDSale -
2013-2017 Cummins 63mm FMW Holset VGT Cheetah Turbocharger Fleece Performance
Regular price $3,099.00 USDSale price $3,099.00 USD Regular priceUnit price per$3,149.00 USDSale -
Donaldson P555095 Replacement Fuel Filter Fleece Performance
Regular price $20.95 USDSale price $20.95 USD Regular priceUnit price per$22.00 USDSale -
2010-2018 4th Gen Dodge/Cummins Fuel Distribution Block Fleece Performance
Regular price $166.66 USDSale price $166.66 USD Regular priceUnit price per$174.99 USDSale -
Freedom Series 12V Cummins Cylinder Head (Street HD) Fleece Performance
Regular price $1,749.00 USDSale price $1,749.00 USD Regular priceUnit price per$1,799.00 USDSale -
Heater Feed and Return Hose Kit for 1998.5-2002 Cummins Equipped Ram Fleece Performance
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price per$83.99 USDSale -
2003-2012 Cummins Fan Drive Pulley Black Finish Fleece Performance
Regular price $91.19 USDSale price $91.19 USD Regular priceUnit price per$95.99 USDSale -
1/2 Inch NPT to -10AN Male Fleece Performance
Regular price $10.40 USDSale price $10.40 USD Regular priceUnit price per$10.95 USDSale -
Remote Turbo Oil Feed Line Kit for 6.6L Duramax Turbochargers 2001-2016 GM 2500/3500 Fleece Performance
Regular price $99.99 USDSale price $99.99 USD Regular priceUnit price per$104.99 USDSale
