MULTIVEHICLE COMPATIBILITY:Compatible with popular vehicles: Compatible with Subaru WRX STI 2013-2018; Compatible with Subaru WRX 2013-2014; Compatible with Subaru Impreza 2011-2014; Compatible with Subaru Forester 2011-2013; Compatible with Subaru Legacy 2010-2012. Fits 2.5L H4 engines. Check product images/descriptions or contact us for fitment confirmation.
PREMIUM IGNITION COIL MATERIALS: Matches OE durability with cross-referenced part numbers: 22433AA600, 22433AA601, 22433AA611, UF665, UF-665, 49122, COP583, 1788572, 5C2100, C884 etc. Precision-engineered with silicon steel cores, German enameled copper wiring, Japanese epoxy resin, and reinforced rubber sleeves for heat/voltage resistance. Built to prevent cracking, shorts, and premature failure.
HIGH-PERFORMANCE SPARK PLUGS: Direct replacement for OE Numbers 93893. Reduces engine wear and improves fuel efficiency. Iridium-tipped electrodes and CNC-machined metal shells ensure precise spark delivery, faster starts, and smoother acceleration. Isostatic ceramic insulators prevent voltage leaks for consistent combustion.
RIGOROUS QUALITY ASSURANCE: Tested to eliminate misfires, rough idling, stalling, and check engine lights. Each coil/spark plug undergoes voltage stability checks across RPM ranges for reliable ignition under extreme conditions. Fixes hesitation, backfiring, and power loss while optimizing engine performance.
COMPLETE KIT &SERVICES: Includes 4 ignition coils, 4 spark plugs, and installation guide. 100% OE-compliant fitment. Designed for DIYers and pros seeking hassle-free replacements. Please feel free to let us know if have any questions about this spark plugs and coil packs kit.