AutoMeter 3230 Blower Air Pressure Memory Kit

MEMORY KIT, FOR MECHANICAL BOOST PRESSURE GAUGES This kit may be used to add peak memory function to any mechanical pressure gauge (air only) for monitoring boost pressure on turbo and supercharged racing applications. Kit includes 1/8" NPT Brass T Fitting, 1/8" NPT Male brass one way check valve, 1/8" NPT Male aluminum and brass push button bleed valve, and 1/8" NPT fmale to -4AN Male plated steel adapter fitting. Not compatible with Vacuum/Boost gauges.