Premium Iridium & Platinum Car Engine Spark Plugs – OEM SP-411 / AYFS22FM / SP411
Ultra-durable iridium center electrode ensures extended lifespan and superior ignition performance. Platinum side electrode reduces wear and enhances fuel efficiency. Precision-engineered ceramic insulator prevents voltage leakage for consistent combustion. Direct OEM replacement for SP-411, AYFS22FM, and SP411 models, guaranteeing perfect fit and factory-standard performance. Ideal for gasoline engines requiring reliable cold starts and smooth acceleration. Globally sourced materials meet strict automotive standards. Bulk pricing available for wholesalers and repair shops. Ships worldwide with guaranteed lowest prices.