Premium Denso Iridium Spark Plug IW27 (5317) – Precision Engineered for Peak Performance
High-grade iridium tip ensures ultra-durable spark, reducing wear and extending lifespan 3x longer than standard copper plugs. Laser-welded fine-wire center electrode delivers consistent ignition, boosting fuel efficiency by 5%. Specially designed for Royal Enfield Bullet LB 500/Machismo and Kawasaki Ninja RR 150 engines. Anti-fouling ceramic insulator prevents carbon buildup, ideal for stop-and-go city rides or high-speed touring. Exact OEM replacement (Denso 5317) with triple gasket sealing to prevent combustion leaks. Nickel-plated shell resists corrosion in humid climates. Ships factory-sealed in authentic packaging.
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Wholesale bulk pricing, global shipping, and 100% genuine parts guaranteed. Stock up for fleet maintenance or resale—lowest price online, bulk discounts apply.