Premium Iridium Spark Plugs – Engineered for Peak Performance

Ultra-fine 0.6mm iridium center electrode ensures precise spark and superior ignition efficiency, reducing misfires. Laser-welded construction enhances durability for 60,000+ miles of reliable service.

Patented tapered ground electrode design minimizes voltage loss, boosting fuel economy by 5-8% in Hyundai/Nissan/Infiniti/Yamaha engines. Multi-angle platinum tipping prevents carbon buildup.

Trivalent metal plating resists corrosion from extreme temperatures (-40°F to 2000°F). Ideal for turbocharged engines, high-RPM motorcycles, and stop-and-go city driving.

Direct OEM replacement (LFR5AIX-11/4469) with factory-specified 0.044" gap. Includes conductive anti-seize compound pre-applied for hassle-free installation.

Bulk pricing available – wholesale cost savings for auto shops and fleet managers. Ships in crush-proof packaging with individual protective sleeves.