The HKS M-Series Super Fire Racing Spark Plug has been developed to provide your vehicle with smooth acceleration, and improved performance throughout the entire RPM Range.
These spark plugs are a #9 heat range, and are an ideal spark plug for those with mild to extensive bolt-ons. With iridium technology, the HKS M-Series Super Fire Racing Spark Plugs will provide enough spark energy and performance for spirited driving, or the occasional track weekend.
If it’s time to maintain your vehicle with a refreshed tune, you should include the HKS M-Series Super Fire Racing Spark Plug to make sure your car is running at optimal levels.
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