High-performance CD70 C7HSA A7TC motorcycle spark plug crafted with premium nickel alloy for superior durability and conductivity. Precision-engineered electrode design ensures faster starts, smoother acceleration, and optimal fuel efficiency. Advanced ceramic insulator resists extreme heat (up to 1000°C) while preventing voltage leakage. Ideal for high-compression engines in sport bikes, cruisers, and off-road motorcycles. Mirror-polished threads prevent galling during installation. Compatible with most 10mm/12mm spark plug sockets. Bulk purchase available for repair shops and fleet operators. OEM-quality replacement at wholesale pricing.