Holley - 870021

Map Sensor - 2.5 bar - Up to 25 psi Boost - Sniper EFI Intake - GM LS-Series - Each

Sniper EFI MAP Sensor; 2.5 Bar; Applications Up to 25 lbs. Boost;

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