Premium Iridium Spark Plugs for High-Performance Engines

Engineered with ultra-fine iridium alloy center electrodes for superior durability and consistent spark performance. Precision laser welding ensures optimal heat dissipation and extended lifespan, reducing misfires and improving fuel efficiency.

Direct-fit replacement for OEM part numbers 12120034087, 90919-01210, and 22401-8H515, compatible with a wide range of automotive and industrial engines. Ideal for high-temperature applications, turbocharged engines, and heavy-duty vehicles requiring reliable ignition under extreme conditions.

Exclusive bulk pricing for wholesalers – unmatched value for fleet managers, auto repair shops, and distributors. Factory-direct quality with rigorous ISO-certified manufacturing standards, ensuring exact OEM specifications without the retail markup.

Optimized electrode design reduces voltage requirements for faster cold starts and smoother acceleration. Nickel-plated shell resists corrosion in humid or salty environments, making these plugs perfect for marine engines and off-road equipment.

Global shipping available with no minimum order quantity. Stock up on the world"s most cost-effective iridium spark plugs – wholesale rates slashed up to 60% compared to retail brands.