GlowShift’s -6 AN x 12mm Fuel Line Adapter Fittings feature -6 AN to 12mm threads that connect to the injection pump inlet and a -6 AN fuel line. The 12mm end of the fitting also includes an O-ring for a leak-free seal between the fitting and injection pump inlet. These adapters are designed specifically for a quick and easy connection as a fuel injection fitting. This AN fuel line adapter is also manufactured from high-quality stainless steel so that it’s extremely durable and built to last. GlowShift includes free lifetime tech support and a one-year limited warranty with each fuel line adapter purchase.