Genuine DENSO Spark Plug 5317 IW27 – Premium Performance for Motorcycles
High-quality iridium center electrode ensures superior ignition and extended durability, delivering consistent engine performance. Precision-engineered copper core enhances thermal conductivity, reducing fouling and improving fuel efficiency. Specifically designed for Yamaha TZR125, TZR250A, TZM150, TZR250/A, and Honda CR125R, optimizing power delivery in high-performance motorcycles. Rigorous testing guarantees reliable starts and smooth acceleration under demanding riding conditions. Direct from verified distributor—100% authentic DENSO manufacturing with strict quality control. Ideal for racers and enthusiasts seeking OEM-grade spark plugs for peak engine efficiency. Buy in bulk at unbeatable wholesale prices—trusted by professionals worldwide.