NGK BR9EIX Iridium IX Spark Plug – Ultra-Fine Iridium Electrode, Heat Range 9

The Pinnacle of Spark Plug Technology from NGK

The NGK BR9EIX Iridium IX Spark Plug is engineered for riders who demand the best ignition performance available. Featuring an ultra-fine iridium center electrode, it delivers a more focused spark, reduced voltage requirements, and a longer service life than conventional platinum or nickel plugs — making it the go-to choice for high-performance powersports engines.

Key Features

• Ultra-fine iridium center electrode — 25% smaller than platinum, 1/4 the size of standard nickel electrodes
• Reduced voltage requirement — less strain on coils and ignition components for extended system life
• Enhanced metal shell plating — superior anti-corrosion and anti-seizing properties
• Consistent, stable spark for improved throttle response and combustion efficiency
• Industry-leading NGK Iridium IX construction and quality standards

Specifications

• Part Number: BR9EIX
• Series: Iridium IX
• Brand: NGK Spark Plugs
• SKU: 3981
• Heat Range: 9
• Electrode Material: Iridium