Aracer Dual Iridium Spark Plug

The aRacer Dual Iridium Spark Plug is a race-grade, track-proven ignition upgrade engineered to deliver absolute combustion efficiency and maximum explosive power for high-performance motorcycles and scooters. Featuring an ultra-fine 0.5mm dual-iridium alloy electrode configuration on both the center and ground tips, it focuses the electrical arc with surgical precision, guaranteeing zero misfires even at extreme speeds past 10,000+ RPM. This premium plug utilizes a class-exclusive flat copper gasket design to sustain cylinder compression while its redesigned fire core layout allows the flame front to expand freely, resulting in a 2.2% faster throttle response, improved fuel economy, and cleaner linear power delivery.