SKU: 30257133208

M14 x 1.5 RIFE Hi IAT Air Temperature Sensor GM Delphi 40 to 485°F (52-1249)

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Description

M14 x 1.5 RIFE Hi IAT Air Temperature Sensor GM Delphi 40 to 485°F (52-1249)M14 x 1. 5 RIFE Hi IAT Air Temperature Sensor Direct Wire 40 to 485F (52 1249) RIFE "Hi Temp" IAT Intake Air Temp Sensors are perfect for 40 485F temperature ranges of intake air temps. These sensors feature ultra fast response thermistors which are not only faster but more accurate than traditional EFI sensors on the market. Fast response times and accurate readings means more accurate adjustments to your tune for a safer and more reliable tuneup

M14 x 1.5 RIFE Hi IAT Air Temperature Sensor Direct Wire 40 to 485°F (52-1249)

RIFE "Hi Temp" IAT / Intake Air Temp Sensors are perfect for 40°-485°F temperature ranges of intake air temps. These sensors feature ultra-fast response thermistors which are not only faster but more accurate than traditional EFI sensors on the market. Fast response times and accurate readings means more accurate adjustments to your tune for a safer and more reliable tuneup that you can count on.  

The Hi-AT sensor series is typically only used for turbo and blower cars as an IAT sensor and for compressor outlet temperature measurement.  Due to the high temperature ceiling it has, the resolution at lower temperatures will be greatly decreased. They are also acceptable for other applications around the vehicle that require an extended temperature range. The Hi-AT sensor is optimized for accuracy and resolution in the 40°-485°F temperature range.

Features:

  • M14 x 1.5 thread
  • 15x Faster Response Time
  • 3x More Accurate Readings
  • Machined and built in house
  • 40 to 485°F
  • Hard Anodized CNC Machined housing

Connectors Sold Separately

Flying Lead Connector Kit: Click Here

Connector Kit w/ crimp terminals: Click Here

*Note: Unlike most Motion Raceworks family of products, these sensors like most electronics are not 100% Made in the USA. While we diligently attempt to source all US electronic components, we have not been able to source everything domestically. 

Please note: this will not work with Fueltech or Haltech ECU. For these ECU please use part number 52-1248 or Click Here . These standard IAT are able to be configured and run as a "Hi" version from -5 to 450 degrees F.

This sensor will not be a direct plug and play for your factory ECU. You will need to calibrate the ECU to read the sensor data correctly.

Calibration Setup for EFI Systems Click Below Links

Fueltech

Holley

Haltech

Need a different thread pattern or electrical connection? Check out our full line of Air Temp Sensors HERE

Please note: Thermistors do not have a certain polarity. So when wiring, wire color or pin location on our sensor does not correlate or require specific configuration. 

General Calibration Info

Learn about the benefits of a fast acting intake air temperature sensor 

Learn more about proper IAT positioning as well as tips and tricks by watching this video. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 30257133208

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Kwang's Chowover
Natrona Heights, US
★★★★★ 5
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Very nice very good
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Reviewed in the United States on February 10, 2026
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John sutton
Waukegan, US
★★★★★ 5
Excellent plugs, superb performance
Exactly as described at a decent price. I've found over my decades of doing my own tune ups, the one thing you can't skimp on when tuning up your vehicle, plugs and its shows if you do. Out of the box, all 4 were gapped correctly. Ease of installation depends on your vehicle and ones mechanical ability with PATIENCE. 100% compatible with my vehicle, be sure to match you numbers. Overall 5 stars for performance and price.
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Reviewed in the United States on May 14, 2026
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APTYP
Waukegan, US
★★★★★ 5
💯% Authentic NGK Made in Japan.
Got these for my 2016 Subaru Crosstrek. You can't go wrong with NGK, these are 💯% AUTHENTIC, and made in Japan, unlike other NGK plugs that may be sold by other sellers which could be made in Thailand. The Subaru Crosstrek is running like a brand new vehicle after I put these puppies in it.
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Reviewed in the United States on December 23, 2025
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Britton Home Improvement
Dallas, US
★★★★★ 5
buy these!!
these are legit original NGK, superior plugs, will buy again
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Reviewed in the United States on May 4, 2026
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Anonymous User
Whiting, US
★★★★★ 5
Worked like a charm
Worked like a charm. The box and packaging were adequate from keeping the gaps of the plugs from being squished.
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Reviewed in the United States on May 13, 2026

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