Fleece Performance

Get the fuel your 2003-2007 5.9L Cummins needs with our Dual Pump Kit! This kit is designed to fit perfectly, and comes with everything you need to get the job done right the first time. This kit is...

The Duramax VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 04.5-10 Duramax diesels. It comes with a Fleece Performance 63mm FMW compressor wheel and 66mm high flow turbine wheel...

Fix your leaking transmission lines with these heavy duty, high flow, flexible transmission lines. This kit is complete with everything needed to get the job done right the first time. 2010-2012...

Amplify your driving experience with a Fleece Performance Cheetah Turbocharger. Featuring a Fleece Performance exclusive 63mm FMW compressor wheel and a high flow turbine wheel; this turbo is...

Amplify your driving experience with a Fleece Performance Cheetah Turbocharger. Featuring a Fleece Performance exclusive 63mm FMW compressor wheel and a high flow turbine wheel; this turbo is...

45 Degree Miter Cut Stack Cover. We couldn't even leave a stack cover alone, we had to upgrade that too! Fleece Performance stack covers are made from heavy duty vinyl and come complete with a...

Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and...

Freedom Series Cummins Performance cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are...

Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and...

  Introducing our Freedom Series Cummins Performance cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory...

  Introducing our Freedom Series Cummins Performance cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory...

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures. The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...

Increased Coolant Flow, Decreased Coolant Temperatures, The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This...