The DENSO PK20PR-P11 is an Iridium Long Life spark plug engineered to deliver superior ignition performance and extended service life. Its advanced design promotes efficient combustion, leading to improved fuel economy and reduced emissions. Crafted with precision, this spark plug features a fine-tipped iridium electrode that requires minimal voltage to ignite the air-fuel mixture. This results in a stronger spark, faster flame propagation, and more complete combustion, even under demanding conditions. The platinum-ground electrode further enhances durability and prevents electrode erosion, ensuring consistent performance over time. DENSO's Iridium Long Life spark plugs are built to withstand the rigors of modern engines. They are an ideal choice for drivers seeking reliable ignition, enhanced engine performance, and a longer-lasting spark plug solution. Upgrade your vehicle's ignition system with the quality and innovation of DENSO.