Premium Iridium Spark Plug LTR6IX-11 6509 for Ford Focus

Ultra-fine 0.6mm laser-welded iridium tip ensures precise ignition and extended lifespan. Patented IX electrode design reduces voltage requirements by 20% for smoother cold starts. Triple gasket sealing prevents combustion leaks under high-pressure conditions.

Direct-fit OEM replacement engineered for Ford Focus with exact heat range (6509) to prevent pre-ignition. Platinum side wire enhances durability to 60,000+ miles. Anti-corrosion nickel plating resists chemical degradation.

Ideal for turbocharged engines and stop-and-go urban driving. Precision-machined thread eliminates cross-threading risks during DIY installation. Includes factory-specified 0.044" gap for plug-and-play performance.

Bulk purchase available for auto repair shops - compatible with Focus models 2012-2023. Ships in OEM-grade protective tubes to prevent electrode damage.