GlowShift’s -4 AN Fuel Rail Thread Adapter is designed to replace the Schrader Valve on your fuel rail which allows you to easily install your fuel pressure sender. This adapter easily fits into any GM 5.3L & 6.0L Fuel Rail for quick and easy monitoring of aftermarket fuel pressure sensors. Simply remove the Schrader Valve and install the adapter for quick and easy installation. These adapter fittings are CNC-machined from billet aluminum and attach directly to the Schrader Valve outlet on your GM factory fuel rail. The front side of the fitting also accepts a standard 1/8" NPT fitting for a direct-mount fuel gauge or a gauge sending unit. Every modern GM V8 fuel injection car has a Schrader Valve installed to check fuel pressure. For installation of your -4 AN Fuel Rail Thread Adapter, all you have to do is simply unscrew the insides of the Schrader Valve with a Schrader Valve tool, mount the adapter, and then mount the gauge to the adapter by connecting your fuel pressure gauge to the 1/8" NPT female port. The flexibility this fuel rail thread adapter fitting gives you is vital because your ability to install onto the engine’s existing GM fuel rail adapter Schrader Valve not only simplifies the process, but also eliminates the need to make any major modifications to your vehicle. GlowShift also includes unlimited tech support and a one-year limited warranty with each purchase.
Includes an installation guide which is available online and included with your order. You can also visit our library of installation videos which include complete step-by-step tutorials and useful tips on how to install a wide range of GlowShift products.
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