Quick Overview 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. Attributes: GTIN: 00046074032301 Brand Name: AutoMeter Add-On: N/A Extended Information: Country of Origin: United States Emissions : Released Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 1 x 5.75 x 7.75 inches Weight: 0.36 lb PDF: PDF: 2650-254X-10