Premium Iridium Spark Plugs 22401-AA630 – Engineered for Peak Performance
Ultra-fine iridium center electrode ensures precise ignition, reducing misfires and improving fuel efficiency. Laser-welded construction enhances durability, outperforming standard copper or platinum plugs. Exclusive tapered ground electrode design minimizes voltage loss, maximizing spark energy for smoother acceleration. Anti-corrosion nickel-plated shell resists oxidation, extending lifespan even under extreme temperatures. Direct-fit OEM replacement (ILFR6B 6481) for Subaru Forester, Impreza, Outback, and Tribeca. Precision thread machining prevents cylinder head damage during installation. Optimized for high-performance and daily driving—ideal for harsh weather, towing, or stop-and-go traffic. Batch-tested for consistent quality, sold in bulk at unbeatable wholesale prices. Global shipping available. Stock up now for unbeatable value.