I learned some years ago how these plugs improve the performance of your car, and the supplier of these plugs on eBay are selling at the same price I paid years ago, keep up the good work.
Verified purchase: Yes | Condition: New
This product is propper especially for cars with electoric control systems where a little differrence matters for good performance. I could feel the more power strait after the sparks set were exchanged.
Verified purchase: Yes | Condition: New
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