Do your original LB7 fuel injector lines have rust and corrosion build up where they meet the injector nuts? Are the sealing surfaces showing damage?   Replacing the fuel injector lines is highly recommended when changing the LB7 fuel injectors. The original lines can...

Do you have an engine lope at idle or surging while driving? Are you seeing unusual rail pressure fluctuations? Your LB7 Inlet Metering Valve may be the root cause.    Also known as the FCA (fuel control actuator) or the MPROP, this component can...

Did you break the connector on your LB7 fuel rail pressure sensor while doing an intake? 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...

Are you replacing the fuel injectors or have them out for a refresh and don't want to reuse the original return line gaskets? You are making the right choice. The last thing you want is for one of your original return gaskets to start...

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. Removing and reassembling LB7 injectors takes...

If you're running an aftermarket positive displacement lift pump like our PowerFlo on your Duramax our fuel primer bulb sealing kit will allow you to eliminate the leak prone primer bulb from your fuel system. The sealing cap includes a 1/8 inch NPT port...