Denso 5285 【Complete – 2025】

The 5285 is popular among enthusiasts for its ability to improve the combustion process.

: At just 0.4mm, the Iridium center electrode reduces the voltage required to spark, which improves ignitability even under lean conditions. denso 5285

The Denso 5285: A High-Performance Ignition Solution The (also known by the technical part number IU24 ) is a premium high-performance spark plug from the world-renowned Iridium Power line. Designed to meet the demands of modern high-revving engines, particularly in motorcycles and powersports, it utilizes cutting-edge materials to deliver superior ignition efficiency and engine response. Core Specifications and Technical Overview The 5285 is popular among enthusiasts for its

: By minimizing "quenching" (the loss of heat to the electrodes), the Denso 5285 allows for faster flame growth, resulting in measurable improvements in throttle response and acceleration. Designed to meet the demands of modern high-revving

: Iridium is six times harder and eight times stronger than platinum, allowing it to withstand the extreme temperatures of high-performance engines without degrading. Applications and Compatibility

While widely used across various platforms, the 5285 is most commonly found in: IRIDIUM POWER - Specifications | Products | SPARK PLUG