Premium IW20 5306 Iridium Spark Plug for High-Performance Engines

Ultra-fine 0.6mm laser-welded iridium tip ensures precise ignition and extended durability. Triple-ground electrode design maximizes flame propagation for optimized fuel combustion. OE-spec construction with anti-corrosion nickel plating guarantees seamless compatibility with most Asian/European vehicles.

Engineered for turbocharged and direct-injection engines, ideal for Honda, Toyota, and BMW models. Features proprietary anti-fouling ceramic insulator to prevent carbon buildup in stop-and-go city driving. Cold-forged steel shell withstands 40,000+ miles of extreme thermal cycling.

Direct-from-factory pricing with bulk discounts for repair shops and fleet managers. Ships in OEM-grade packaging with torque specifications etched on each plug. Stock covers 98% of 2010-2023 gasoline models – wholesale quantities available same-day dispatch.