CQHZJ NCK Spark Plug – Premium Performance & Precision Engineering
High-quality nickel-chromium alloy electrode ensures superior conductivity and extended durability. Precision-machined insulator prevents voltage leakage for stable ignition. One-to-one reduction design matches OEM standards (BK6E 3536 / BM6A 5921). Perfect for automotive repairs, motorcycle tuning, and small engine maintenance. Cold-forged shell resists corrosion and thermal stress. Triple gasket seal guarantees airtight combustion. Direct wholesale pricing with bulk discounts. Ships globally with fast logistics. Trusted by mechanics and distributors for reliability. Upgrade performance without compromising affordability.