4-Pack AD Auto Parts Ignition Coils & 4 Iridium TT Spark Plugs 4704 for Subaru Impreza Legacy 2.5L H4 (2004-2010) - Compatible with UF508 - Perfect for Engine Performance Upgrade & Maintenance

This item is designed to be an exact replacement that meets or exceeds original specifications. Please ensure correct part fitment before purchasing this product. Contact the seller directly for additional product information and availability.

Helps ensure proper engine performance, maximize fuel economy, minimize both tailpipe emissions and RFI electronic interference

Radio-Frequency Interference (RFI) Suppression minimizes electronic noise

Helps avoid spark plug failure, drivability complaints, pre-ignition and detonation

DENSO patented 360 degree laser welding process, ensuring exceptional quality bond and structural strength with the iridium center electrode

Larger spark translates to more power and superior fuel economy