1989-93 Ford Mustang 5.0 Pro-M 75mm Mass Air Meter For 36lb Injectors & Fenderwell Cold Air Kit - Fox Body by Pro-M

Mustang Pro-M 75mm Mass Air Meter For 36lb Injectors & Fenderwell Cold Air Kit (89-93) 5.0

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Mustang Pro-M 75mm Mass Air Meter  For 36lb Injectors & Fenderwell Cold Air Kit (89-93) 5.0

Looking to increase the power in your 1989-1993 Ford Mustang 5.0L? Check out this Pro-M Mass Air Meter!

Item #PMA-12579AX

Everyday Low Price: $229.99

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  • Increased Horsepower
  • Increased Throttle Response


  • ABS Plastic Housing
  • Black Finish
  • For Use With Fender Well Cold Air Intake
  • 75MM Tube
  • Compatible With 36 LBS Injectors

What's in the Box

  • (1) Mass Air Meter With Sensor

Product Description

This is a Pro-M 75MM mass air meter for your 1989-1993 Ford Mustang 5.0L equipped with 36 LBS injectors. These mass air meters include the electronics that some other companies leave out making for a quick 'Plug -and-Play" installation. This is a great way to bolt on 8-15 extra horsepower.

* This part number is designed to only work with a fender well cold air intake!

Product Videos

Mustang GT/LX Mass Air Conversion Review & Install (86-88 5.0L)

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!


Community Q&A

Product Reviews (2)

out of 5 stars
5 stars
2 reviews
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2 of 2 REVIEWS
2 of 2 REVIEWS

5 Stars   WOW....Gets your blood moving!
By on 10/8/2014
First time doing a MAF, Injectors, Throttle body(TB), & EGR Spacer(ES) swap. All I can say is when you rev it up, it just keeps wanting to pull on up through the RPMs. Plus it is a much stronger pull than I ever expected. I went 75mm Pro-M MAF, SVE 70mm TB w/ matching ES. I also used 36ibs "Injectorconnection.com" Blue Devils III since Ford Racing does not make a 36ibs injector to match the Pro-M MAFs anymore. Adding all this to an 86GT 5.0 with GT-40P heads, E-303 cam, Long-tubes, T-5, & 4.10s is just what the doctor ordered for my slowing blood and needing to fall in love with my old fox in my 40's again! Thanks LMR & Pro-M!

Yes, I would recommend this item to a friend!

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5 Stars   Great Item
By on 1/5/2015
Installing this on a project 1988 Mustang Fox Body at the shop and turned to our good friends over at Late models to get the right parts and product shipped fast for the best price.

Yes, I would recommend this item to a friend!

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Vehicle Applications

Ford Mustang - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93)

About This Brand

Pro-M Racing was founded in 1989 by Bob Atwood, a Ford engineer who was instrumental in pioneering mass air technology. Pro-M quickly became the most respected name in the industry, offering the only real practical solution to the restrictive production mass air meters found in most of today's production Mustangs. We manufacture mass air meters in various sizes, shapes, and styles, as both direct bolt-in replacements, and in universal designs, to maximize your engine's horsepower potential, by allowing your engine to breathe to its fullest potential. Each mass air meter is individually calibrated specifically for you Mustang or Lighting application on one of our in-house flow benches specific to your particular application, and fuel injector size, eliminating the need for time consuming and expensive dyno tuning. Others make claims, but only Pro-M Racing possesses both the intellectual and physical properties necessary to calibrate your mass air meter to within two percent of what the OEM considers the perfect baseline.

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