Our Oil Pressure Sensor Relocation Kit comes with everything you need to relocate the the Oil Pressure Sensor to underneath the fuel rail cover. The Crush Washer, Line, Gauge, and Sensor are all included as well as written instructions and we will be filming our own video instructions in the next few weeks. This a Bolt on Kit, the only modification required is the cutting of the fuel rail cover for the gauge and we provide a template for that.