The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the only ...

2007.5-2018 Cummins Regulated Return Fuel Distribution Block. The Fleece Performance Cummins Regulated Return Fuel Distribution block takes our sta...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the only ...

2011-2016 LML Duramax Turbo Installation Kit for S300/S400 Kit Contents: x1 Universal Turbo Drain Nipple (7/8 inch) with Integrared Sealing O-ri...

The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the only ...

Eliminate the risk of a failed grid heater bolt dropping into your engine on your 2013-2018 6.7L Cummins with our high flow intake plenum! Our plen...

The Fleece Performance coolant tank replaces the factory coolant tank and moves the location closer to the battery box allowing for more engine com...

The Fleece Performance CP3K is a modified 5.9L Cummins CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you...

The 5.9L CumminsPowerFlo 750 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modif...

The Fleece Performance CP3K is a modified 6.7L Cummins CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you...

The 6.7L CumminsPowerFlo 750 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modif...

Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a Fleece Performance custom 63mm bil...

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 Compund Kit then thi...

Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement trans...

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...

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...

Cummins S300-S400 Turbo Installation Kit 2007.5-2012 Fleece Performance Kit Contents: FPE-CTDT-KIT FPE-CRTFL-S3S4 FPE-6.7CR-COOL-PLUG Turbo Stud K...

The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you ...

The Fleece Performance Duramax 10mm stroker CP3 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper ...

TufShafts are a direct replacement upgrade shafts for any 2001-2010 GM 2500-3500 with a 9.25 inch AAM front axle. They are designed to eliminate th...

Bigger is not always better! The S463 is a great place to start for any sub 700 RWHP application. With a smaller compressor and turbine package, ma...

This S467 from Fleece Performance is not your standard out-of-the box S467.7 from Borg Warner. The Fleece Performance Cast S467 offers superb drivi...

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

Replacement coolant bypass house with stainless steel braiding for our Common Rail/VP44 Cummins Coolant Bypass Kits.For use with the following kits...

The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newe...

The Fleece Performance TapShifter allows you to shift your 5 speed Allison Transmission with the touch of a button. Perfect for towing, drag racing...