Upgraded 7/16 inch diameter pushrods for GM's Duramax 6.6L diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwell Rc60 for outstanding strength and rigidity. These pushrods are designed to stand up to higher valve spring pressure, RPM, and cylinder pressure...

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...

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...

2007.5-2010 Sierra/Silverado 2500HD/3500HD Allison Firepunk F3 Transmission Package Features: Great For Highly Modified Trucks Up To 1000HP 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...

2007.5-2010 Sierra/Silverado 2500HD/3500HD Allison Firepunk F1 Transmission Package Features: Great For Mildly Modified Trucks Up To 750HP 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...

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...

Has your factory pump hit its limit, and you still need more pump capacity? Do you want the capability of more power without the worry of a multi-pump controller failing, a custom length belt breaking or a second pump to worry about? For applications...

Looking for a single CP3 pump that will support up 1000+HP and drive like stock? Do you want the capability of more power without the worry of a pump controller failing, a custom belt breaking, mount cracking, or even a second pump to worry...

One of the biggest pumps on the market with a track record to prove it. A single CP3 pump that will easily support 1200HP and in some applications have gone up to 1350+HP on fuel only! Don’t get caught with dual pump issues when...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 150% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 200% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 250% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

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...

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.