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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Cummins Turbo Drain Adapter to 7/8 Inch Hose For 98.5-21 RAM 2500/3500 Fleece Performance
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price per$20.99 USDSale -
2003-2016 Cummins CP3X2 Harness Fleece Performance
Regular price $72.13 USDSale price $72.13 USD Regular priceUnit price per$75.74 USDSale -
1998.5-2018 24v 5.9L/6.7L Cummins Rocker Arm Bridges Set of 12 Fleece Performance
Regular price $467.43 USDSale price $467.43 USD Regular priceUnit price per$490.80 USDSale -
PowerFlo 1000 CP3 for 2003-2007 5.9L Cummins Fleece Performance
Regular price $2,649.00 USDSale price $2,649.00 USD Regular priceUnit price per$2,699.00 USDSale -
94-18 Dodge 2500/3500 Cummins Coolant Bypass Service Kit Fleece Performance
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price per$29.39 USDSale -
Replacement Coolant Bypass Hose for 2007.5-2018 Coolant Bypass w/ FPE Cast Elbow Fleece Performance
Regular price $89.99 USDSale price $89.99 USD Regular priceUnit price per$94.49 USDSale -
VP Coolant Bypass Kit 1998.5-2002 Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price per$397.95 USDSale -
Cummins Coolant Bypass Kit 03-07 Manual Transmission w/ Stainless Steel Braided Line Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price per$397.95 USDSale -
39.50 Inch 12 Valve Cummins Coolant Bypass Hose Stainless Steel Braided Fleece Performance
Regular price $84.31 USDSale price $84.31 USD Regular priceUnit price per$88.75 USDSale -
-10AN Aluminum Male Weld Bung 5/8 inch Register 7/8 inch OD Fleece Performance
Regular price $7.95 USDSale price $7.95 USD Regular priceUnit price per$8.35 USDSale -
9 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts Fleece Performance
Regular price $46.00 USDSale price $46.00 USD Regular priceUnit price per$48.30 USDSale -
Cummins Coolant Bypass Kit 12V 94-98 with Stainless Steel Braided Line Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price per$397.95 USDSale -
Cummins Crankshaft Barring Tool Fits all Stock 5.9L and 6.7L Stock Dampers and Fluidamprs Fleece Performance
Regular price $74.99 USDSale price $74.99 USD Regular priceUnit price per$78.74 USDSale -
Fuel System Upgrade Kit with PowerFlo Lift Pump for 98.5-2002 Dodge Cummins Fleece Performance
Regular price $1,049.00 USDSale price $1,049.00 USD Regular priceUnit price per$1,079.00 USDSale -
2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side) Fleece Performance
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price per$1,249.00 USDSale -
5.9L Cummins PowerFlo 750 Fleece Performance
Regular price $2,049.00 USDSale price $2,049.00 USD Regular priceUnit price per$2,099.00 USDSale -
Cummins Coolant Bypass Kit 2003-2007 Manual Transmission Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price per$397.95 USDSale -
Cummins Dual Pump Controller Fleece Performance
Regular price $179.55 USDSale price $179.55 USD Regular priceUnit price per$189.00 USDSale -
Negative 8AN to 3/4-16 O-ring 90 Degree Fitting Fleece Performance
Regular price $24.99 USDSale price $24.99 USD Regular priceUnit price per$26.24 USDSale -
6.7L Cummins PowerFlo 750 Fleece Performance
Regular price $1,999.00 USDSale price $1,999.00 USD Regular priceUnit price per$2,049.00 USDSale -
5.9 VP 98-02 Remanufactured Cummins Cylinder Head (Street) Fleece Performance
Regular price $2,549.00 USDSale price $2,549.00 USD Regular priceUnit price per$2,599.00 USDSale -
32V Duramax Rocker Bridges Fleece Performance
Regular price $512.54 USDSale price $512.54 USD Regular priceUnit price per$539.52 USDSale -
Billet Aluminum CCV Tube Coupler for 2019-2024 Ram Fleece Performance
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price per$31.49 USDSale -
12V Coolant Bypass Kit 1994-1998 Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price per$397.95 USDSale -
2011-2016 Factory LML Duramax Cylinder Head (Driver Side) Fleece Performance
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price per$1,249.00 USDSale -
Cummins Coolant Bypass Kit 003-05 Auto Trans with Stainless Steel Braided Line Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price per$397.95 USDSale -
A/C Line Reroute Kit2 013-2018 6.7L Cummins Fleece Performance
Regular price $399.00 USDSale price $399.00 USD Regular priceUnit price per$418.95 USDSale -
Upper Gasket Kit for Dodge/Ram 2007.5-2018 6.7L Cummins Fleece Performance
Regular price From $280.00 USDSale price From $280.00 USD Regular priceUnit price per$294.00 USDSale
