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 com...

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 com...

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 com...

Replacement adapter harness for use on the 2002 Dodge Cummins MAP Sensor. Produced in-house, our manufacturing process includes fully automated wir...

Replacement connectors with 6 inch pigtail for use on the Cummins engine, this kit includes BOTH sides of the connector with flying leads to allow ...

Replacement connectors with 6 inch pigtail for use on the Cummins engine, this kit includes BOTH sides of the connector with flying leads to allow ...

All new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax. Problem: Because of the direct placement of the MAP sen...

LLY Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from Fleece Performance. These are a direct ...

LLY Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from Fleece Performance. These are a direct ...

LLY Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from Fleece Performance. These are a direct ...

LLY Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a direct ...

A common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fuel injectors will get you back on the road qui...

Ensure your turbocharger has a good oil supply line with with our replacement turbocharger oil feed line kit designed for use with a Cheetah or sto...

Our Fuel Pressure Regulator (FPR) harness for the 2001-2010 6.6L Duramax is a direct replacement for GM Part Number: 97378671 (MY 2006-2010) and 97...

Our 8 inch extension harness for the 2003-2018 Dodge RAM provides for additional routing clearance to a variety of sensors on the engine including ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...

Replacement high pressure fuel lines from Fleece Performance.  These are a direct replacement for your cracked, broken, or leaking injector lines....

Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. R...

Replacement high pressure fuel lines from Fleece Performance.  These are a direct replacement for your cracked, broken, or leaking injector lines....

Replacement high pressure fuel lines from Fleece Performance.  These are a direct replacement for your cracked, broken, or leaking injector lines....

2019-Present 5th Gen Dodge Ram with Cummins, Fuel Filter Delete. If you have an aftermarket fuel filtration system such as an Air Dog or a FASS, yo...

Anodized billet aluminum with our custom spoke design. Includes integral O-ring. 2003-2018 Cummins CP3 Nut Cover

2001-2025 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...

12 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

13inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

14 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

15 inch" High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

16 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

17 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

18 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

19 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

20 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

Ensure your turbocharger has a good oil supply line with with our replacement turbocharger oil feed line kit designed for use with a Cheetah or sto...

2003-2007 Cummins Coolant Bypass Brackets (Set of two)

Upgrade your fuel system with this fuel filter delete from Fleece Performance Engineering. If you have an aftermarket fuel filtration system such a...

2013-2018 Cummins 2nd Gen 45 CAC Boot (2.75 inch ID 4 ply Aramid Polyester Reinforcement, 2.375 inch/3.875 inch Leg Lengths)

21 inch High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)

Turbo Compressor Discharge Adapter Kit Includes 90 degree Discharge Adapater, S400 Vband Compressor Outlet Clamp, O-ring for 90 degree Turbo Commp...

LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

LBZ/LMM Duramax High Pressure Injection Line (Number 2 and Number 7). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

LBZ/LMM Duramax High Pressure Injection Line (Number 3 and Number 6). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

LBZ/LMM Duramax High Pressure Injection Line (Number 4 and Number 5). Replacement high pressure fuel lines from Fleece Performance. These are a dir...

Problem: The original equipment steering tie rods are prone to collapse under heavy load, making them highly sucsceptible when running larger diame...

34.5 inch Common Rail/VP44 Cummins Coolant Bypass Hose (Black Nylon Braided)

Take full control of your Cummins dual CP3's using your just your ECM. The CP3X2 harness allows you to control your Cummins dual pumps without an e...