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Sniper EFI MAP Sensor 2.5-bar

2.5-bar MAP sensor for Sniper EFI Fabricated Intake Manifolds with MAP sensor provision

Part # 870021 Be the first to write a review
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The pressure inside the intake manifold is an extremely important input to the ECU. This sensor will respond to changes in manifold pressures and relay the information to the ECU in the form of a voltage signal ranging from 1-5 volts. This sensor will handle applications up to 25 lbs. of boost. Part # 558-416 will be required when using a Holley EFI system.


  • Utilizes Stock attaching points
  • Ideal for applications up to 25lbs of boost
  • This sensor monitors manifold vacuum, varying output voltage to the ECU as a function of load placed on the engine, providing necessary data to control fuel enrichment

About Sniper

The Sniper line of products are built to take your project to a new level of performance at a great price! Sniper plumbing is high-performance equipment with hand-polished aluminum fittings and high–strength hoses. The Sniper line of fuel pumps, regulators, and filters make Sniper a one-stop shop for a complete fuel system overhaul. Sniper AN Fittings such as AN hose ends and AN adapters found on this website are for fuel systems, water, and oil. They are NOT for building high pressure nitrous lines.

Brand Sniper
Emission Code2
Product TypeMAP Sensor
Part Number870021

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
This MAP sensor is a direct replacement for GM # 12592525 sensor

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