🔌 High-performance NGK CR9EIX Spark Plugs for Suzuki GSX1300R Hayabusa 99-07 Review

Thanks to my knowledge gained in practice, I replaced my old ignition plug with this new product and I noticed an immediate improvement in the performance of my bike. The acceleration is smoother with better fuel efficiency. However, the product was a bit pricier than others in the market.

These are great spark plugs! Fits perfectly on my 07ft gsxr 600 when removing the tip. Now my bike has a lot more power and speed! Excellent purchase!

Not listed but 06 YZF-R1 works. The gap was the maximum allowed size so I mapped them to the middle of the range just because I'm so picky, but they would be fine if I left them alone and added them. If you remap them, make sure you do it right. You will break the electrode if you don't. Don't use the old-school coin-style tool. You need a wire break tool and be very careful. But yes, you can and should adapt your iridium connectors to OEM specifications. If you don't use a hotter coil, you'll…