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Ford Performance High Performance 9mm Spark Plug Wires; Red (79-95 5.0L)

Item 50238
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      Review & Installation Video

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • More Spark Equals More Power
      • Low Resistance
      • EMI & RFI Suppression
      • Red Wires with Black Boots
      • Sold as a Set of 8 Wires
      • Fits 1979 to 1995 5.0 & 5.8 V8 Mustangs


      More Spark. Ford Racing Ignition Wires feature a low resistance conductor for minimum spark loss and more power. The wires are wrapped in a durable blue silicone insulation with black silicone boots that are resistant to heat, fuel, oil, and solvents.

      EMI suppression. Ford Racing uses a wire wound conductor that provides greater suppression of Electro Magnetic (EMI) and Radio Frequency Interference (RFI) to shield your Mustangs sensitive electronics.

      Legendary Ford Racing Performance. Add performance parts to your Pony made by the people who know it best. Ford Racing's legendary quality and performance ensure these Spark Plug Wires will deliver the consistent results you need for maximum power.

      Application. These Ford Racing 9mm Spark Plug Wires are sold as a set of 8 and are designed to fit the 1979 to 1995 5.0L and 5.8L V8 Mustangs.

      Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

      MPN# M-12259-R301

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.7 out of 5 overall rating from 100+ customers

      Installation Time: Less than 1 Hour

      • March 28, 2020

        5 1989 GT - BoostedFox Installation Time: Less than 1 Hour

        Great wires

        They’re great quality if you’re looking for something reliable and very easy installation. If you’ve never done them before they are all clearly numbered. They are a little long for some of them but when you clip them and tuck them tight they are perfect!

        Helpful (0)
      • March 13, 2020

        5 1995 GT - Mustangracer Installation Time: Less than 1 Hour

        Plug wires

        Good product they make my engine bay took nice and I can tell a difference in my car with these it's more snappy now

        Helpful (0)
      • February 16, 2020

        5 1990 GT - MustangArizona05 Installation Time: Less than 1 Hour

        Plug wire that REALLY make a difference

        Was exactly what I needed, the plug wires are also numbered, the red really stands out in my engine bay and the car runs much better with the thicker wire!

        Helpful (0)
      • January 23, 2020

        5 1988 GT - Ken

        Ford High Performance Plug Wires-Red

        This is a fantastic product. Great appearance, fantastic improvement in performance of the engine!!

        Helpful (0)
      • December 26, 2019

        5 1982 Other - MiGT01 Installation Time: Less than 1 Hour

        Perfect fit

        Perfect fitment easy to install and adds a nice touch to the bay

        Helpful (0)
      • December 08, 2019

        5 1992 LX - Mikeynonos Installation Time: Less than 1 Hour

        9mm Spark Plug Wires

        Worked perfectly as they should. Ford Motorsport always does!

        Helpful (0)
      • October 01, 2019

        4 1988 LX - BranceGrace Installation Time: Less than 1 Hour

        High Performance Spark Plug Wires

        Great replacement from my OE Spark plug wires. Had an exceptional gain.

        Helpful (0)
      • August 22, 2019

        5 1992 LX - ChristopherS Installation Time: Less than 1 Hour


        really made the engine bay look smooth.. 5.8L FOXBODY

        Helpful (0)
      • August 05, 2019

        1 1995 GT - Op

        Coil wires

        My coil wire came messed up from them every other wire is okay but the numbers on the wires are rubbed off maybe I got a bad set idk

        Helpful (0)
      • July 25, 2019

        5 1995 GT - Aksgt Installation Time: Less than 1 Hour

        Simple upgrade

        Simple upgrade and added some color... took a little wiggling to get them snug on the plugs but all good

        Helpful (0)

      Questions & Answers (8 answers)

      5 Top Rated Questions

      I have a 95 ford mustang gt 5.0 convertible I have red MSD wires on it when I purchased new one they gave me MSD Street Fighter wires which r black wires is this the same as my red ones if not should I take them back. Thanks Karen

      Still waiting for a answer about the lack of a warranty on these plug wires.

      • Ford Performance does not have an extended warranty on this piece. If you have questions regarding a specific order, please reach out to our Contact Center via phone, email, or chat.

      Helpful (0)

      Hi, I am looking at purchasing the Ford Performance High Performance 9MM Spark plug wires, however when reading the reviews an individual mentioned that the coil wire does not fit the MSD coil. I also have a Kenne Bell supercharger, so the coil wire would need to be long enough to reach the coil. Just wanted to confirm before purchasing. Thank you, Nick.

      • We have not experienced any issues with the Ford Performance coil wire not reaching the coil.

      Helpful (0)

      i have a msd high performance ignition system on mine, the distrubter, high out put coil an the 6AL ignition box.... concern will these work on this..I spent about $800.0 on these componets, an I hate hood fires.. thanks for taking the time for an answer

      • The Ford Performance High Performance 9mm Spark Plug Wires would be compatible with your MSD ignition components.

      Helpful (0)

      Will these work on GT40P heads with their spark plug angle?

      • The Ford Performance High Performance 9mm Spark Plug Wires use 45 degree spark plug boots. These will be compatible with most GT40P setups, however depending on your header choice, clearance may be tight.

      Helpful (0)
      Post Your Question
      3 More Questions
      I have a 1993 ford f150 with a 5.0, will these work even though they are labeled as mustang wires? 1 answer
      Do you think these would cause a car to fail smog? 1 answer
      Do i need to buy spark plugs? I recently ordered the 9mm FR spark plug wires along with the replacement MSD cap and rotor. Do I need to get spark plugs 2 answers

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (8) Spark plug wires
      • (2) Coil Wires

      Tech Specs

      Will It Fit My Mustang

      • Cobra - 93, 94, 95
      • Cobra R - 93, 95
      • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95
      • LX - 87, 88, 89, 90, 91, 92, 93
      • Other - 79, 80, 81, 82, 83, 84, 85, 86

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