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 the stock passenger side split axle shaft that is prone to breaking under high torque situations, as well as the...

Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal bearing, which can be restrictive, or even result in an oil blockage if the bearing slips. Solution: Fleece Performance's remote oil feed line allows you to...

2006-2007 Sierra/Silverado 2500HD/3500HD Allison Firepunk F2 Transmission Package Features: Great For Mildly Modified Trucks Up To 900HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter lock Allison External Filter with Magnet New Allison Bearings...

Are you removing the injectors and don't want to reuse the seals? You are making the right choice. Replacing the injector seals is cheap insurance that you won't have an issue when you get the truck back together. Don't risk having to do the...

This part can be used as a direct replacement for Bosch part number F 00R L00 129, as well as GM part number 97361353.  

This part can be used as a direct replacement for Bosch part number F 00R L00 143, as well as GM part number 97361352.  

Are you seeing intermittent rail pressure fluctuations that are causing running issues? The rail pressure sensor may be the root cause.   The fuel pressure sensor is a crucial part of the high pressure fuel system. It effectively measures fuel pressure allowing for proper...

So, you're ready to push the limit of your build and want to find an injector you can trust to take you to the podium? With our background in OE development, manufacturing and pioneers of the performance common rail fuel systems, you can trust...

So, you're ready to push the limit of your build and want to find an injector you can trust to take you to the podium? With our background in OE development, manufacturing and pioneers of the performance common rail fuel systems, you can trust...

So, you're ready to push the limit of your build and want to find an injector you can trust to take you to the podium? With our background in OE development, manufacturing and pioneers of the performance common rail fuel systems, you can trust...

Do you have an engine lope at idle or surging while driving? Are you seeing unusual rail pressure fluctuations? Your LBZ Inlet Metering Valve may be the root cause.    Also known as the FCA (fuel control actuator) or the MPROP, this component can...