High-performance iridium spark plug engineered for Toyota Japan cars, featuring ultra-fine 0.4mm iridium center electrode for precise ignition and extended durability. Precision-crafted with triple-ground electrode design and anti-corrosive nickel plating for optimal heat dissipation and 60,000-mile lifespan. Direct OEM replacement for 90919-01191/SK20HR11 with laser-welded tip technology ensuring consistent performance in extreme temperatures. Ideal for high-compression engines in urban commuting and highway driving conditions. Factory-calibrated gap maintains fuel efficiency and reduces emissions. Bulk packaging available for automotive workshops and fleet maintenance.