This 4 PcHitachiIGC0050Ignition Coil kit replaces Delphi GN10671 NGK 48663 ...This 4 Pc Hitachi IGC0050 Ignition Coil kit replaces Delphi GN10671 NGK 48663 Spectra Premium C-982 Honda 30520-PHM-003 Honda 30520-PHM-S01 Sixity Auto 48663 OEM parts and is perfect for replacement or a performance upgrade.more