S100I MASUMA Double Iridium Spark Plug – Premium Performance for Honda ACTY
Ultra-durable double iridium core ensures extended lifespan (3X longer than standard plugs) with precise ignition efficiency. Laser-welded fine-wire tip reduces voltage demand for faster cold starts and smoother acceleration. Advanced anti-corrosion nickel alloy shell withstands extreme engine temperatures (up to 1600°F). Trivalent chrome plating prevents carbon buildup, maintaining optimal fuel combustion. Direct-fit OEM replacement (Honda P/N: 90919-01164, 90919-01240) for ACTY models. Ideal for high-mileage urban delivery vans or turbocharged engines requiring consistent spark stability. Factory-calibrated 0.8mm gap eliminates misfires under heavy load. Backed by ISO 9001 certification. Bulk pricing available for commercial fleets or repair shops.