High-performance iridium spark plugs engineered for Japanese vehicles

Precision-crafted with ultra-fine 0.6mm iridium tips for enhanced durability and consistent spark delivery

Laser-welded construction ensures optimal heat dissipation and prevents misfires under extreme engine conditions

Direct OEM replacement (22401-AA530) for Toyota, Nissan, Honda and other JDM models

Triple gasket sealing technology prevents combustion leaks and maintains stable cylinder pressure

Optimized electrode gap (0.8mm) for improved fuel efficiency and reduced emissions

Ideal for high-mileage city driving, turbocharged engines, and stop-and-go traffic conditions

Factory-calibrated heat range matches original specifications for plug-and-play installation

Vapor-blasted nickel plating resists corrosion from ethanol-blended fuels and harsh weather

Batch-tested under 25,000V to guarantee reliable cold starts and smooth acceleration