HKS Spark Plugs for Honda S660 JW5 S07A Heat Range 9 50003-MR45HLZ Set of 3

Give your engine precise ignition with this set of three HKS racing spark plugs. Made specifically for the Honda S660 turbo, these high performance plugs carry a heat range of 9, a step up from the factory heat range 8 setup. They deliver stable spark performance and efficient combustion for optimized engine output.

HKS is a legendary name in Japanese automotive tuning, recognized globally for producing race-proven performance upgrades. The Honda S660 is a favorite among JDM sports car enthusiasts, blending mid-engine agility with a lightweight turbocharged powerplant. Upgrading your ignition system with trusted HKS engineering keeps your engine running smoothly under demanding driving conditions.

This brand new set of three plugs carries part number 50003-MR45HLZ. It is made specifically for turbo-equipped Honda S660 JW5 models powered by the S07A engine, from April 2015 onward.