2 BAR MAP Sensor - Lowdoller Motorsports

2 BAR MAP Sensor - Lowdoller Motorsports

Marsoni

M251S

$99.99

Get it in 3 business days with 1 day shipping. Friday, May 29

2 BAR MAP Sensor - Lowdoller Motorsports2 Bar Map Sensor for Naturally aspirated or N2o assisted combos. Also great for monitoring crankcase pressures with vacuum pumps. Reads crankcase pressure and vacuum from 14. 7 to + 14. 7 PSI ( 14. 7 to + 14. 7 PSI) ( 1 bar to 1 bar) 0. 5V to 4. 5V Heavy duty Stainless steel body 1 8" NPT thread Includes GT150 connector, pins, and grommets. (Pre wired cable sold separately) Compatible with MOST EFI and data logging systems. Typical uses; map sensor or

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I used this to turn on with key on power in my truck. Power then goes through this and turns on my key on fuse panel. That way I can run a much larger cable from the battery to the fuse panel instead of pulling power through the ignition switch, where power output is limited. So far it doesn't get hot, though I am not running anything close to 500 amps through it. More like 75 amps max and even then it's only sometimes. No problems so far.

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Reviewed in the United States on July 28, 2024

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Astrid Falcon

Battle Creek, US

★★★★★ 5

Heavy duty and has lasted three years so far

I have had this relay installed in the engine bay of my Lexus RX 300, functioning to link the front battery to the additional battery in the trunk whenever the ignition is on. The relay has worked reliably for about three years now with no complaints besides one minor comment, be careful when threading down the nut on the Low voltage side. It is prone to stripping

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Reviewed in the United States on March 24, 2025

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Dr.Ortiz Ayala

Phoenix, US

★★★★★ 5

It delivers as advertised.

Works as advertised, and is easy to install.

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Reviewed in the United States on August 18, 2025

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JOHN A.

Massapequa, US

★★★★★ 5

Heavy Duty!!

Performed extremely well. No buzzzing or poor connection. Extremely well built and has been working issue free for over 6 months! Instalation can be a bit difficult due to size and weight. Not really a problem.

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Reviewed in the United States on November 25, 2024