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 |
|---|---|---|---|
| 1991 | Buick | Skylark | Base |
| 1988-1994 | Buick | Skylark | Custom |
| 1990-1991 | Buick | Skylark | Gran Sport |
| 1988-1989,1993-1994 | Buick | Skylark | Limited |
| 1990-1991 | Buick | Skylark | Luxury Edition |
| 1990-1991 | Chevrolet | Beretta | GTZ |
| 1990 | Chevrolet | Beretta | Indianapolis 500 Pace Car |
| 1987-1990 | Chevrolet | Camaro | Iroc-Z |
| 1991-1992 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1986-1991 | Chevrolet | Corvette | Base |
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1992-1994 | Dodge | B150 | Base |
| 1995-1996 | Dodge | B1500 | Base |
| 1992-1994 | Dodge | B250 | Base |
| 1995-1997 | Dodge | B2500 | Base |
| 1992-1994 | Dodge | B350 | Base |
| 1995-1997 | Dodge | B3500 | Base |
| 1992-1993 | Dodge | D150 | Base |
| 1992-1993 | Dodge | D250 | Base |
| 1993 | Dodge | D350 | Base |
| 1992-1996 | Dodge | Dakota | Base |
| 1992-1993 | Dodge | Dakota | LE |
| 1992 | Dodge | Dakota | S |
| 1994-1996 | Dodge | Dakota | SLT |
| 1992-1996 | Dodge | Dakota | Sport |
| 1994-1996 | Dodge | Dakota | WS |
| 1994-1996 | Dodge | Ram 1500 | Base |
| 1997 | Dodge | Ram 1500 | Laramie |
| 1997 | Dodge | Ram 1500 | LT |
| 1997 | Dodge | Ram 1500 | Sport |
| 1997 | Dodge | Ram 1500 | SS/T 5.9L |
| 1997 | Dodge | Ram 1500 | ST |
| 1994-1997 | Dodge | Ram 2500 | Base |
| 1997 | Dodge | Ram 3500 | Base |
| 1992-1993 | Dodge | Ramcharger | Base |
| 1992-1993 | Dodge | Ramcharger | Canyon Sport |
| 1992-1993 | Dodge | Ramcharger | Royal SE |
| 1992-1993 | Dodge | W150 | Base |
| 1992-1993 | Dodge | W250 | Base |
| 1993 | Dodge | W350 | Base |
| 1982 | Ford | F-100 | Custom |
| 1982 | Ford | F-100 | XL |
| 1982 | Ford | F-100 | XLS |
| 1982 | Ford | F-100 | XLT Lariat |
| 1982 | Ford | Granada | GL |
| 1982 | Ford | Granada | GLX |
| 1982 | Ford | Granada | L |
| 1982 | Ford | Thunderbird | Base |
| 1982 | Ford | Thunderbird | Heritage |
| 1982 | Ford | Thunderbird | Town Landau |
| 1993 | Jeep | Grand Cherokee | Base |
| 1993-1996 | Jeep | Grand Cherokee | Laredo |
| 1993-1996 | Jeep | Grand Cherokee | Limited |
| 1995 | Jeep | Grand Cherokee | Orvis |
| 1994-1995 | Jeep | Grand Cherokee | SE |
| 1993 | Jeep | Grand Wagoneer | Base |
| 2008-2018 | Kubota | RTV500 4x4 | Base |
| 1982 | Lincoln | Continental | Base |
| 1982 | Lincoln | Continental | Givenchy |
| 1982 | Lincoln | Continental | Signature |
| 1982 | Mercury | Cougar | Base |
| 1982 | Mercury | Cougar | GS |
| 1982 | Mercury | Cougar | LS |
| 1982 | Mercury | Cougar | XR-7 |
| 1992-1994 | Oldsmobile | Achieva | S |
| 1992,1994 | Oldsmobile | Achieva | SC |
| 1992-1994 | Oldsmobile | Achieva | SL |
| 1987 | Oldsmobile | Calais | Base |
| 1987 | Oldsmobile | Calais | GT |
| 1988,1991 | Oldsmobile | Cutlass Calais | Base |
| 1988,1991 | Oldsmobile | Cutlass Calais | GT |
| 1988-1991 | Oldsmobile | Cutlass Calais | International |
| 1989-1991 | Oldsmobile | Cutlass Calais | S |
| 1988-1991 | Oldsmobile | Cutlass Calais | SL |
| 1990-1991 | Oldsmobile | Cutlass Supreme | Base |
| 1990 | Oldsmobile | Cutlass Supreme | International |
| 1987 | Pontiac | Firebird | Base |
| 1987 | Pontiac | Firebird | Trans Am |
| 1988 | Pontiac | Grand Am | Base |
| 1992-1994 | Pontiac | Grand Am | GT |
| 1988-1991 | Pontiac | Grand Am | LE |
| 1988-1994 | Pontiac | Grand Am | SE |
| 1990-1991 | Pontiac | Grand Prix | LE |
| 1991 | Pontiac | Grand Prix | SE |
| 1993-1995 | Rolls-Royce | Corniche IV | Base |
| 1995 | Rolls-Royce | Corniche S | Base |
| 1995 | Rolls-Royce | Flying Spur | Base |
| 1992 | Rolls-Royce | Silver Spirit | Base |
| 1993 | Rolls-Royce | Silver Spirit | II |
| 1994-1995 | Rolls-Royce | Silver Spirit | III |
| 1992,1996-1998 | Rolls-Royce | Silver Spur | Base |
| 1993 | Rolls-Royce | Silver Spur | II |
| 1994-1995 | Rolls-Royce | Silver Spur | III |
| 1998 | Rolls-Royce | Silver Spur | Park Ward |
| 1994 | Rolls-Royce | Touring Limousine | Base |
| 1993-2002 | Saturn | SC1 | Base |
| 1991-2002 | Saturn | SL | Base |
| 1991-2002 | Saturn | SL1 | Base |
| 1993-1999 | Saturn | SW1 | Base |