Pulse Oil Pressure Gauge Kit by Zodiac.
These 1/2" (38mm) diameter oil pressure gauges come complete with a billet aluminum meter cup, billet bracket and a braided stainless steel pressure line to allow a fast installation on the rear rocker box, as well as an adapter to fit a pressure line to your engine. Available in chrome or black, complete with a 60 PSI liquid filled gauge to eliminate needle bounce and vibrations and feature a polished stainless steel bezel. Gauges with a 60 or 100 PSI scale are also available separately.
Chrome gauge kit , Fits 1984 thru 1999 Evolution Big Twins