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Enhancing Ignition Performance: MSD 5531 Street Fire Spark Plug Wire Set Review

3

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Poor

Revainrating 2.5 out of 5  
Rating 
2.7
🧯 Ignition Parts, 🛠️ Replacement Parts

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Description of Enhancing Ignition Performance: MSD 5531 Street Fire Spark Plug Wire Set

Helically wound conductor suppresses electro and radio noise. Kevlar core combination for great strength and durability. Heavy duty terminals for secure connection and silicone boots protect against high exhaust temps. 8 mm silicone and synthetic jacket resists heat and abrasion. 508 ohms per foot resistance for improved spark delivery and power.

Reviews

Global ratings 3
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  • 4
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  • 2
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Type of review

Revainrating 2 out of 5

Hits Fender on 71 NY

later Sent back because the end of the connector was hit/pinched by the fender. I have used MSD on other vehicles before and love it.

Pros
  • Automotive
Cons
  • I will add

Revainrating 2 out of 5

WAY too long in ignition parts

MSD makes a good product but they need to measure the OEM spark plug wire harness. They were so long that I could loop a few of them. I routed the cables the way they did at the factory on my 1975 Imperial.

Pros
  • Wire harnesses
Cons
  • Some errors

Revainrating 4 out of 5

Good product for spares

Spark Plug Wires fit well. The cable length is correct for 440ci in my GTX. I tried other brands and they weren't long enough to run the original wiring. The caps on the spark plug are tight and the limited space in the car makes installation a bit of a challenge. I recommend using dielectric grease for easier installation.

Pros
  • Spark Plugs and Wires
Cons
  • Expensive