NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1987-1989,1993 | Buick | Century | Custom |
| 1987-1988 | Buick | Century | Estate Wagon |
| 1987-1989,1993 | Buick | Century | Limited |
| 1993 | Buick | Century | Special |
| 2009-2011 | Buick | Lucerne | CX |
| 2009-2011 | Buick | Lucerne | CXL |
| 2010 | Buick | Lucerne | CXL Special Edition |
| 1988-1993 | Buick | Regal | Custom |
| 1989 | Buick | Regal | Gran Sport |
| 1988-1993 | Buick | Regal | Limited |
| 1987-1989 | Buick | Skyhawk | Custom |
| 1987 | Buick | Skyhawk | Limited |
| 1988-1989 | Buick | Skyhawk | SE |
| 1987 | Buick | Skyhawk | Sport |
| 1987 | Buick | Skyhawk | T-Type |
| 2006-2007 | Buick | Terraza | CX |
| 2006-2007 | Buick | Terraza | CXL |
| 1987-1988 | Cadillac | Cimarron | Base |
| 1987-1993 | Chevrolet | Beretta | Base |
| 1989-1993 | Chevrolet | Beretta | GT |
| 1991-1993 | Chevrolet | Beretta | GTZ |
| 1990 | Chevrolet | Beretta | Indianapolis 500 Pace Car |
| 1987-1990 | Chevrolet | Cavalier | Base |
| 1987 | Chevrolet | Cavalier | CS |
| 1987-1994 | Chevrolet | Cavalier | RS |
| 1988-1993 | Chevrolet | Cavalier | VL |
| 1987-1994 | Chevrolet | Cavalier | Z24 |
| 1987-1990 | Chevrolet | Celebrity | Base |
| 1989 | Chevrolet | Celebrity | CL |
| 1987 | Chevrolet | Celebrity | Estate |
| 1987-1990 | Chevrolet | Celebrity | Eurosport |
| 1987-1989 | Chevrolet | Corsica | Base |
| 1987-1988,1990-1993 | Chevrolet | Corsica | LT |
| 1989-1990,1992 | Chevrolet | Corsica | LTZ |
| 2008 | Chevrolet | Impala | 50th Anniversary Edition |
| 2006-2011 | Chevrolet | Impala | LS |
| 2006-2011 | Chevrolet | Impala | LT |
| 2006-2011 | Chevrolet | Impala | LTZ |
| 2006-2011 | Chevrolet | Impala | Police |
| 1990-1994 | Chevrolet | Lumina | Base |
| 1990-1994 | Chevrolet | Lumina | Euro |
| 2008 | Chevrolet | Malibu | Classic LS |
| 2008 | Chevrolet | Malibu | Classic LT |
| 2007-2010 | Chevrolet | Malibu | LS |
| 2007,2009 | Chevrolet | Malibu | LT |
| 2007 | Chevrolet | Malibu | LTZ |
| 2007 | Chevrolet | Malibu | Maxx LS |
| 2007 | Chevrolet | Malibu | Maxx LT |
| 2007 | Chevrolet | Malibu | Maxx LTZ |
| 2006-2007 | Chevrolet | Malibu | Maxx SS |
| 2006-2007 | Chevrolet | Malibu | SS |
| 2006-2007 | Chevrolet | Monte Carlo | LS |
| 2006-2007 | Chevrolet | Monte Carlo | LT |
| 2006 | Chevrolet | Monte Carlo | LTZ |
| 2007-2008 | Chevrolet | Uplander | Base |
| 2007-2008 | Chevrolet | Uplander | LS |
| 2006-2008 | Chevrolet | Uplander | LT |
| 1988-1989,1993 | Oldsmobile | Cutlass Ciera | Base |
| 1987-1988 | Oldsmobile | Cutlass Ciera | Brougham |
| 1987 | Oldsmobile | Cutlass Ciera | GT |
| 1987-1988 | Oldsmobile | Cutlass Ciera | LS |
| 1987-1988,1993 | Oldsmobile | Cutlass Ciera | S |
| 1987-1989 | Oldsmobile | Cutlass Ciera | SL |
| 1989 | Oldsmobile | Cutlass Cruiser | Base |
| 1987 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1988 | Oldsmobile | Cutlass Cruiser | Brougham LS |
| 1987-1988 | Oldsmobile | Cutlass Cruiser | LS |
| 1988-1989 | Oldsmobile | Cutlass Cruiser | SL |
| 1988-1993 | Oldsmobile | Cutlass Supreme | Base |
| 1988 | Oldsmobile | Cutlass Supreme | Indy 500 Pace Car |
| 1988-1993 | Oldsmobile | Cutlass Supreme | International |
| 1992-1993 | Oldsmobile | Cutlass Supreme | S |
| 1988-1991 | Oldsmobile | Cutlass Supreme | SL |
| 1987-1988 | Oldsmobile | Firenza | Base |
| 1987-1988 | Oldsmobile | Firenza | Cruiser |
| 1987 | Oldsmobile | Firenza | GT |
| 1987 | Oldsmobile | Firenza | LC |
| 1987 | Oldsmobile | Firenza | LX |
| 1987 | Oldsmobile | Firenza | S |
| 1987-1988 | Pontiac | 6000 | Base |
| 1987-1991 | Pontiac | 6000 | LE |
| 1987-1988 | Pontiac | 6000 | SE |
| 1989-1991 | Pontiac | 6000 | Special Edition |
| 1987-1989 | Pontiac | 6000 | STE |
| 2007-2010 | Pontiac | G6 | Base |
| 2007-2010 | Pontiac | G6 | GT |
| 2006 | Pontiac | G6 | GTP |
| 1988-1989 | Pontiac | Grand Prix | Base |
| 1991-1993 | Pontiac | Grand Prix | GT |
| 1988-1993 | Pontiac | Grand Prix | LE |
| 1988-1993 | Pontiac | Grand Prix | SE |
| 1990-1993 | Pontiac | Grand Prix | STE |
| 2006 | Pontiac | Montana | SV6 |
| 1991-1994 | Pontiac | Sunbird | GT |
| 1991,1994 | Pontiac | Sunbird | LE |
| 1993 | Pontiac | Sunbird | LE Value Leader |
| 1991-1994 | Pontiac | Sunbird | SE |
| 2007-2008 | Saturn | Aura | XE |
| 2007 | Saturn | Relay | 1 |
| 2007 | Saturn | Relay | 2 |
| 2006-2007 | Saturn | Relay | 3 |
| 2008-2010 | Saturn | Vue | XE |