High-Performance OEM Auto Engine Spark Plug
Premium copper-core electrode ensures rapid heat dissipation and superior conductivity for consistent ignition. Precision-engineered ceramic insulator prevents voltage leakage, extending service life. Nickel-plated shell resists corrosion under extreme temperatures. Optimized for high-compression engines, ideal for daily commuters and performance vehicles. Direct-fit replacement for models requiring 4307/4308 specifications. Bulk purchase available at unbeatable wholesale pricing. Strict QC passed with ISO9001 certification. Ships globally with guaranteed compatibility.