Mishimoto Ignition Coil for Subaru WRX STI High-Performance Replacement Coil

Mishimoto Ignition Coil for Subaru WRX STI — High-Performance Replacement Restore reliable spark and confidence under boost. Designed for Subaru EJ engines, this Mishimoto ignition coil delivers OEM-level performance with upgrades that resist heat, moisture, and corrosion for a long-lasting, maintenance-ready ignition system. Key Benefits Improved starting & idle: Refreshed ignition response for quicker starts and smoother idling. Reliable under boost: Reduces misfires and spark blow-out during high-load driving. Durable construction: Phenolic resin frame withstands elevated engine bay temperatures. Moisture protection: Precision lower boot seals the plug well to prevent contamination. Corrosion prevention: Pre-lubricated with dielectric grease for a consistent electrical connection. Available options: Sold individually or as a set of four for complete replacement. Why Choose Mishimoto Mishimoto coils are engineered and tested to meet or exceed Subaru OEM specifications, making them an ideal Stage 0 upgrade before adding horsepower modifications. Each coil is covered by the Mishimoto Lifetime Warranty , ensuring long-term peace of mind. Fitment: Direct-fit replacement for Subaru WRX STI EJ series engines. Install with new spark plugs for optimal performance restoration.