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Spectra Premium C 666 Ignition Coil Review

3

·

Excellent

Revainrating 5 out of 5  
Rating 
5.0
🧯 Ignition Parts, 🛠️ Replacement Parts

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Description of Spectra Premium C 666 Ignition Coil

Limited Lifetime Warranty. Durability tested at 100 cycles of thermal shock (-50 to 300 degrees Fahrenheit), to ensure reliability from extreme vibration. Salt spray tested for 24 hours to ensure sensors provide high corrosion resistance. Built to meet or exceed Original Equipment (OE) fit, form and function to ensure proper installation and performance.

Reviews

Global ratings 3
  • 5
    3
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

Improved Engine Performance

This ignition coil made a huge improvement in my car's performance. I noticed immediate gains in acceleration and overall smoothness. It was easy to install and is clearly high quality. However, it is a bit pricey compared to other options on the market.

Pros
  • Improved engine performance
Cons
  • Pricey compared to other options.

Revainrating 5 out of 5

My problem has been solved: Boots Coil On Plug

This got my 4Runner working properly again and cost about 25% of what it cost at one of the auto parts stores. Received in 2 days.

Pros
  • Boots Coil On Plug
Cons
  • The list is getting long.

Revainrating 5 out of 5

Works as well as Denso factory parts

Just as good as Denso OEMs on my 2003 Toyota 4Runner SR5 V6 4x4. Had to replace everything for about 225k because they were just wasted and looked pretty rough. They have already driven about 50,000 kilometers on my car and no problems. I just bought a replacement for a B/C, when I first installed it there I overtightened one of the coils and the bolt broke the hole the bolt goes through (hope that makes sense). I haven't had any performance issues or any sign of this being a problem, but since

Pros
  • Replacement parts
Cons
  • Some difficulties