Arlen Ness Radius Oil Pressure Gauge Kit For Harley Twin Cam Features: A clean way to mount an oil pressure gauge on your Twin Cam Big Twin engine and allows the rider to constantly monitor the engines oil pressure CNC-machined from aluminum Oil gauge features a stainless steel housing and glass lens and is also filled with vibration isolating glycerin for clear viewing in all riding situations Complete kit includes 60 lb. black face liquid gauge with the Ness shield logo, chrome brackets, chrome housing cone, stainless steel hose and chrome hardware Kit will accept slightly larger gauges if the cone is not used