NGK Iridium IX spark plugs are a worldwide success story. Since the initial release they've proven to be a fantastic spark plug upgrade and are now successfully used in millions of vehicles around the globe.
4x Genuine NGK CR9EIX 3521 Iridium IX Anti-Fouling Plugs Smooth Idle Better MPG
4x Genuine NGK CR9EIX (3521) Iridium IX Performance Spark Plugs
4x NGK CR9EIX (3521) Iridium IX Plugs – Heat Grade 9, OEM Fit
4x NGK CR9EIX (3521) Iridium IX Plugs – Heat Grade 9, OEM Fit, Max Performance
4x Genuine NGK CR9EIX (3521) Iridium IX Performance Spark Plugs – Heat Grade 9
CR9EIX 3521 NGK IRIDIUM IX PLUGS SET OF 4 UPGRADE
