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NGK RC GMX084 Spark Plug 51021 Review

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Excellent

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

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Description of NGK RC GMX084 Spark Plug 51021

Set includes 6 wires (Coil Lead N/R). 7mm ultra-low resistance magnetic core, wire wound ignition cables with OEM or better specified spark plug and distributor boots. Numbered for easy cylinder identification and coil wires are color coded for correct and easy installation. Positive-locking, corrosion-resistant stainless steel terminal ends for tight fit and maximum resistance to vibration and separation. High-temp (250°+ C / 482°+ F) silicone outer jacket resists moisture, oil/petrol and cracking due to temperature extremes.

Reviews

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Type of review

Revainrating 5 out of 5

Perfect fit for my 2005 Buick Century 3.1L

Cables are great, fit in the clamps, length is ok. Change only one cable at a time! Remember to put the transmission in neutral and crank the engine forward to make changing the rear spark plug/wire easier.

Pros
  • Decent performance
Cons
  • Fairly ok