Fleece Performance

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...

2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode. Our billet coolant block off plate...

This T4 Spacer is designed for use with T4 Turbos installed on Duramax engines when an extra 1.0 inch or 1.5 inch of elevation out of the valley is required, although it could be used in any T4...

The Fleece Performance 45 Degree CAC Boot eliminates the need to bend your charge air piping. This product is designed for use on your Cummins with the Fleece Performance or other 2nd gen swap kit...

The Fleece 5.9L Cummins S300/S400 Turbo Installation Kit includes necessary components to install an S300 or S400 on your 2003-2007 Dodge 5.9L Cummins. KIT INCLUDES: Turbo Drain Tube Kit ...

2003-2004 63mm FMW Ford 6.0L Cheetah Turbocharger. The Ford 6.0L VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 2003-2007 6.0L Ford diesels. It comes with a Fleece...

2004.5-2007 63mm FMW Ford 6.0L Cheetah Turbocharger. The Ford 6.0L VNT Cheetah Turbocharger is a drop-in replacement turbocharger for 2003-2007 6.0L Ford diesels. It comes with a Fleece...

2013-2018 6.7L Cummins A/C Line Reroute Kit - If you are looking to do an aftermarket turbo set up like a 2nd Gen Swap Kit, or Compound Kit then this kit is a must. The factory A/C lines are in the...

2001-2016 AlliLocker - Allison Torque Converter Controller Fits 2001-2015 Allison Equipped GM Trucks Control your torque converter from the palm of your hand with the AlliLocker from Fleece...

2003-2018 Cummins Billet Oil Cap Cover. Dress up your Cummins with this billet aluminum oil cap cover. It is anodized black and laser etched with the Fleece Performance F. It is a great...

Fleece Performance Billet Rocker Arm Bridges for 1998.5-2018 24v 5.9L/6.7L Cummins (set of 12)

2004.5-2010 Duramax Billet Turbo Resonator Delete Plug (LLY/LBZ/LMM) Features: Billet 6061 Aluminum Anodized Black with Fleece Performance F Complete with O-rings for an Airtight Seal

The Fleece CLNTBYPS-CUMMINS-VP Coolant Bypass Kit is a must have on any high performance Cummins Engine. The Cummins engine cooling system was designed to adequately cool a 300-350hp engine. When...

The Fleece Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non water cooled turbocharger on your Duramax. Engineered with an O-Ring seal...