High-Performance Spark Plugs for Optimal Engine Efficiency
Premium copper-core electrodes ensure rapid heat dissipation and consistent ignition, reducing engine misfires. Precision-crafted ceramic insulator prevents voltage leakage, enhancing durability under extreme temperatures. Ideal for automotive engines, marine applications, and small machinery—compatible with models requiring SP537, CYFS-12Y-2, or SP504 plugs. Exclusive bulk pricing for global wholesalers—direct factory sourcing guarantees unbeatable value without compromising OEM quality.