MSD's 2-bar MAP sensor monitors intake manifold pressure and relays it to the ECU as a voltage signal ranging from about 1 to 5 volts, giving the Programmable Digital-7 accurate boost and vacuum data for blown or turbocharged applications up to 15 psi of boost.Specifications: Pressure Range: 2psia - 29psia (2-bar) Output Signal: Approximately 1-5 volts Boost Rating: Up to 15 lbs. of boost Connection: Plug-in for MSD Programmable Digital-7 Warranty: Manufacturer's Limited 1-Year Warranty Part Number: 23121 For use with MSD controls only.FAQWhat is the boost rating of the MSD 23121 MAP sensor?MSD rates it for applications up to 15 lbs. of boost.What voltage range does the sensor output?Approximately 1 to 5 volts depending on manifold pressure.What controller does this MAP sensor plug into?It's a plug-in sensor for MSD's Programmable Digital-7.Is this sensor compatible with non-MSD ignition controls?No, MSD specifies it's for use with MSD controls.{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What is the boost rating of the MSD 23121 MAP sensor?","acceptedAnswer":{"@type":"Answer","text":"MSD rates it for applications up to 15 lbs. of boost."}},{"@type":"Question","name":"What voltage range does the sensor output?","acceptedAnswer":{"@type":"Answer","text":"Approximately 1 to 5 volts depending on manifold pressure."}},{"@type":"Question","name":"What controller does this MAP sensor plug into?","acceptedAnswer":{"@type":"Answer","text":"It's a plug-in sensor for MSD's Programmable Digital-7."}},{"@type":"Question","name":"Is this sensor compatible with non-MSD ignition controls?","acceptedAnswer":{"@type":"Answer","text":"No, MSD specifies it's for use with MSD controls."}}]}