Premium Iridium/Nickel Alloy & Platinum Spark Plug (12290-5R0-003)
Engineered with ultra-fine iridium-nickel alloy center electrodes for superior conductivity and extreme durability. Precision platinum side electrodes ensure consistent spark performance under high-temperature conditions. Optimized for high-performance car engines, reducing misfires and improving fuel efficiency. Ideal for demanding driving conditions, including racing, towing, and heavy-load applications. Exclusive wholesale pricing for bulk orders. Direct factory supply guarantees unbeatable value without compromising quality. Trusted by global automotive professionals and wholesalers.