K-Tuned Center Mount Fuel Rail Fitting - Gauge and 6AN Ports (Fittings and Gauge) - KR-FIT-G06Applications: K Tuned Fuel Rails Note: * Gauge & Fuel Rail sold separately This fitting is designed to be used with K Tuned K Series Fuel Rails. It has a 1 8 NPT port designed to fit our gauge and 6AN Port for feed or return fuel line. This is great for someone looking for a clean look. The fuel line is almost unnoticeable beneath the gauge. The fitting is soft mounted on the underside of the rail with o rings, to eliminate the possibility of