Premium Denso 4504 PK20TT Iridium Spark Plugs
High-performance iridium tip ensures superior ignition efficiency and durability. Precision laser-welded center electrode minimizes voltage requirements for consistent starts. Ultra-fine 0.4mm ground electrode design enhances fuel combustion and reduces emissions. Exclusive U-groove technology optimizes flame propagation for smoother acceleration. Corrosion-resistant nickel-plated shell withstands extreme engine conditions. OE-quality construction guarantees perfect fit for Japanese and international vehicles. Ideal for turbocharged engines, high-mileage vehicles, and performance tuning applications. Engineered to deliver 20% longer service life than standard platinum plugs. Ships in factory-sealed packaging with anti-counterfeit labeling. Wholesale-ready bulk pricing with no minimum order quantity. Global shipping with customs-friendly documentation. Compatible with Toyota, Honda, Subaru, and major Asian/Euro brands.