Premium DENSO 3122 K20R-U Nickel U-Groove Spark Plug
High-performance nickel alloy center electrode ensures durability and optimal conductivity. Precision U-groove design enhances flame propagation for faster ignition and improved fuel efficiency. Corrosion-resistant construction extends lifespan even under extreme engine conditions. Ideal for TOYOTA, HONDA, MAZDA, NISSAN, and MITSUBISHI vehicles, delivering smoother acceleration and reduced emissions. Engineered with laser-welded tips for consistent sparking and reliable cold starts. Perfect for daily commuters and performance tuning enthusiasts. Global wholesale pricing with bulk discounts—unmatched value for mechanics and auto retailers.