Premium Iridium Spark Plug – Engineered for Natural Gas Performance

Ultra-Durable Iridium Core – Precision-crafted with a 0.6mm fine-wire iridium tip for superior conductivity and extended lifespan, outperforming standard copper or platinum plugs.

OEM-Exact Specs (5115 / IFR7U-4D) – Direct replacement for natural gas engines, ensuring seamless compatibility with factory torque and heat range requirements.

Optimized Combustion – Laser-welded construction and tapered ground electrode minimize voltage loss, delivering consistent sparks for fuel-efficient, low-emission operation.

Heavy-Duty Applications – Ideal for industrial generators, commercial fleet vehicles, and stationary gas engines requiring reliable cold starts and sustained high-load performance.

Wholesale Advantage – Bulk pricing available for workshops, distributors, and large-scale operations needing dependable plug replacements without retail markup.