NGK7A7 Iridium-Platinum Spark Plug Recycling

The NGK7A7 iridium-platinum spark plug contains recoverable precious metals (iridium/platinum). Its 0.6mm iridium center electrode + platinum side electrode, Heat Range 7 rating, and 0.8mm gap optimize ignition for mid-high RPM engines. Delivers faster acceleration, 3%-5% fuel savings, and 40,000+ km lifespan.

NGK7A7 Recycling Focus:

Metals: Iridium & platinum (DONGSHENG specializes in professional extraction and recycling)

Electrodes: 0.6mm iridium center + platinum side

Heat Range: 7 (optimized for mid-high RPM engines)

Gap: 0.8mm (enhances high-speed ignition)

Lifespan: 40,000+ km (2× standard plugs)

Performance: Improved acceleration response, 3%-5% lower fuel consumption