V-Twin Accel Oil Pressure Gauge 0-100LB Black Face Harley Softail Dyna TouringV Twin Accel Oil Pressure Gauge 0 100LB Black Face Harley Softail Dyna Touring ACCEL liquid oil pressure 100lb gauge features a black face, stainless steel case, chrome rim housing and weather resistant sealed lens. The gauges internals are solid brass and are bathed in a vibration dampening glycerin. The liquid filled face eliminates needle bounce giving a constant reading. Gauge has a 1 8" National Pipe Thread male rear fitting. Part #: 40 9907