APR Universal Mechanical Boost Gauge System (Blue)

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Part # MS100146 Be the first to write a review
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Vehicle emissions regulations are not applicable to this item.

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The APR Universal Mechanical Boost Gauge System is sold with a blue needle.


  • 52mm mechanical gauge
  • LED backlight
  • Blue needle
  • 30In.Hg to 40 PSI
  • Boost hose with buzz-reducing snubber pill
  • Boost hoses included
Background ColorWhite
Brand APR
Emission Code6
Needle ColorBlue
Product TypeBoost Gauge
Part NumberMS100146

Vehicle emissions regulations are not applicable to this item.
This is a universal setup that requires an end user supplied mounting system. The gauge requires a boost tap to supply a boost pressure and vacuum signal the gauge.

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  • Question

    where do the white and black bulb wires hook to in car

    By Rory Loveridge on March 3, 2023

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    Some parts are not legal for use in California or other states with similar regulations.