HKS Spark Plugs #9 50003-MR45HLZ for Honda S660 JW5 S07A, Set of 3

Three brand new HKS spark plugs, part number 50003-MR45HLZ, built for the S07A engine in the Honda S660 (JW5 chassis). This heat range 9 set matches the car's three-cylinder layout precisely, giving the small-displacement engine the stable ignition it needs when pushed hard.

HKS is one of Japan's most respected tuning names, known for high-performance parts built for Japanese sports cars.

These are new, unused spark plugs, ready to install for drivers who want their S660 running at its sharpest.