Yes, these are the same model as the spark plugs which where installed on my bike as new. Thus, NGK spark plugs were a simple and safe choice for my application. Glad that was the case as these were perfect - tiny adjustments, easy install, and perfect performance. In fact, when I pulled the stock units from the bike, they cleaned up almost like new, so calling the NGK plugs durable is not a stretch. In fact, for any motorcycle or auto or truck, I would highly recommend NGK's spark plugs - they are used as stock plugs in a huge number of vehicles for good reason - they are well-built and very reliable.
NGK Iridium IX Spark Plugs
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NGK Irridium spark plugs are made to provide peak performance. Owner of 2003 GSXR1K, I can feel the power band in the acceleration smooth firing. Great sound from the YOSHIMUR exhaust system. Excellent choice for an aftermarket plug.
Replaced plugs and the broke off in my head probably about 8000 miles. Looks like this is a common problem and it is very expensive to fix. In my case new head and which requires dropping the engine. NGK lost my business with that one.
NGK cr9e plugs. 14,899 miles and I am doing a change of plugs. the threads broke off from the ceramic body!! REALLY! now I have to tear apart the entire top end just to get it out with a screw extractor. If I went to a dealership it would have cost me over $500 for this...THANKS NGK.
Excellent product. Excellent price. Highly recommended.
I put these in a 2007 GSX-R 750 you have to take the cap off the threads to fit on my bike but they didn't need to be gapped. I installed these and a K&N and you can tell the difference.
I felt the Horsepower Gain and Throttle Response instantly with my new NGK IRIDIUM IX SPARK PLUGS! No Gapping Required for an easy installation! The BEST PRICES are at MOTOSPORT.COM!
Great product !!!!!! plugs are top of the line best u can get and bike runs a1
These are the best plugs out...bar none!! Motosport has them for the BEST PRICE, hands down.
Best plugs bar none!
I was pleased when my new plugs showed up. I gapped them and installed in minuts crispy throttle responce 01 GSXR-1000 Thank you.