AEM Fluid Pressure Gauges Exhaust and to be extra safe

and to be extra safe run modified retainers/comp cam retainers

however you will have to run a switched ground wire from your PCM to a switch in the car to activate it

This is 100% 304 stainless steel and will not rust

Sky Redline

push rod length

AEM Fluid Pressure Gauges Exhaust and to be extra safeBenefits: Ideal for carbureted or EFI vehicles Easy to install Plug & Play harness and sensor included 24 green LED display lights provide immediate reference to monitored engine function Three digit readout in center Each gauge comes with interchangeable black silver bezels and black white faceplates 0 5V analog output included for use with data loggers and virtually any engine management system Auto dimming gauge face and read out lighting 100 PSIg