This 2.5 bar MAP sensor monitors manifold pressure and relays a 1-5 volt signal to the ECU, giving the fuel injection system the data it needs to control fuel enrichment on boosted applications up to 25 psi.
Specifications:
- Product Type: MAP Sensor
- Maximum Pressure Reading: 2.5 Bar
- Maximum Boost: Up to 25 lbs.
- Voltage Signal Range: 1-5 Volts
- Housing Color: Black
- Mounting: Bolted, stock attaching points
- Part Number: 870021
Direct replacement for ACDelco supercharger pressure sensor part number 12592525; requires a Holley EFI system to use with this sensor.
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What does this MAP sensor do?
It monitors manifold vacuum/pressure and sends a varying 1-5 volt output signal to the ECU to control fuel enrichment based on engine load.
What boost level is it rated for?
It's a 2.5 bar sensor suitable for applications up to 25 lbs. of boost.
Is this a direct replacement for a factory sensor?
Yes, it is a direct replacement for the ACDelco supercharger pressure sensor, part number 12592525.
Is this part legal for street use?
No. It's legal for Racing Use Only vehicles that are not registered or operated on the street, and cannot legally be installed on an Emissions Controlled Vehicle.
