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Fleece Performance Brand

438 products
Fleece Performance Engineering is a leading manufacturer of aftermarket diesel performance products. With a reputation for innovation, quality, and service, our products push the limits of diesel performance technology. Products such as the Cheetah line of Turbochargers, the TapShifter, and the TurboBrake have established Fleece Performance as an industry innovator.
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Fleece | 1994-1998 Dodge 12V Cummins Freedom Series Cylinder Head (Street HD) Fleece | 1994-1998 Dodge 12V Cummins Freedom Series Cylinder Head (Street HD)
$1,749.00
$1,749.00
Give new life to your engine with a brand new Freedom Series Cummins cylinder head. Each head is manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to meet or exceed f...
Fleece | 1989-1998 Dodge Ram 5.9 Cummins Replacement Heater Core Line Kit
$379.00
$379.00
Replace your leaking or corroded heater tubes with our upgraded stainless steel tubes and high temperature silicone hose kit from Fleece Performance. This kit contains everything you need to replac...
Fleece | 2001-2019 GM 2500 / 3500 Allison LCT / GM 4T65-E Internal Wire Harn Connector & Seal - Single
$35.19
$35.19
Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pin seal is a direct replacement for the hard to fin...
Fleece | 2001-2019 GM 2500 / 3500 Allison LCT / GM 4T65-E Internal Harness Connector & Seal - 7 Pack Fleece | 2001-2019 GM 2500 / 3500 Allison LCT / GM 4T65-E Internal Harness Connector & Seal - 7 Pack
$139.99
$139.99
Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pin seal is a direct replacement for the hard to fin...
Fleece Performance | 2001-2016 GM 2500 / 3500 Fuel Primer Bulb Sealing Kit Fleece | 2001-2016 GM 2500 / 3500 Fuel Primer Bulb Sealing Kit
$37.95
$37.95
If you’re running an aftermarket positive displacement lift pump like our PowerFlo on your Duramax our fuel primer bulb sealing kit will allow you to eliminate the leak prone primer bulb from your...
Fleece Performance | 2001-2004 GM 2500 / 3500 Duramax LB7 Outer Injector Connector Pigtail
$41.14
$41.14
Replacement connector with 6" pigtail for use on the 6.6L Duramax engine and other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and termi...