Premium Iridium Spark Plugs for Japanese & Korean Vehicles

High-performance iridium center electrode ensures superior ignition and fuel efficiency, reducing misfires and improving acceleration. Precision laser-welded tip with ultra-fine 0.6mm diameter maximizes spark concentration for consistent combustion.

Corrosion-resistant nickel-plated shell with triple gasket sealing prevents leaks under extreme temperatures (up to 1600°F). OE-specified heat range (IT16/IT20) matches Nissan, Honda, and Hyundai factory requirements for direct fitment.

Engineered for turbocharged and high-compression engines, ideal for city commuting, long-distance driving, and performance tuning. Each plug undergoes rigorous conductivity testing to guarantee 60,000+ mile durability.

Wholesale bulk pricing available – factory-direct savings with no middlemen. Ships globally in OEM-quality packaging with batch traceability. Compatible with Altima, Civic, Sonata, and 20+ other models (see full fitment guide).