Arlen Ness Method Oil Pressure Gauge For Harley Twin Cam Arlen Ness gives you the tools to monitor your engines oil pressure with this CNC machined Method series oil pressure gauge kit. Features: Enables the rider to constantly monitor the engines oil pressure Oil gauge features a stainless steel oil housing and glass lens a glass lens, its filled with vibration isolating glycerin for clear viewing in all riding scenarios Radius style brackets & gauge housings are CNC machined from billet aluminum Braided stainless steel oil hose assembly Mounts to the engine's rear rocker box Each kit includes: oil gauge, billet gauge housing & brackets, stainless steel oil hose assembly and all necessary hardware