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 |
|---|---|---|---|
| 2004-2007 | Aprilia | Mojito Custom 50 | Base |
| 2016-2018 | Cobra | CX50 FWE | Base |
| 2017-2018 | Cobra | CX50 P3 | Base |
| 2011-2018 | Cobra | CX50-JR | Base |
| 2010-2018 | Cobra | CX50-SR | Base |
| 1968 | Ferrari | 275 GT | Base |
| 1964-1968 | Ferrari | 275 GTB | Base |
| 1968-1969 | Ferrari | Dino 206 GT | Base |
| 1969-1973 | Ferrari | Dino 246 GT | Base |
| 1972-1973 | Ferrari | Dino 246 GTS | Base |
| 1988-1989 | Kawasaki | KD80 | Base |
| 1989-1990 | Maserati | 430i | Base |
| 1983-1987 | Maserati | Biturbo | Base |
| 2002-2004 | Polaris | Freedom | Base |
| 1996-1997 | Polaris | Hurricane | Base |
| 2000-2001 | Polaris | Pro 1200 | Base |
| 1997 | Polaris | SL 1050 | Base |
| 1997 | Polaris | SL 700 | Base |
| 1996-1997 | Polaris | SL 780 | Base |
| 1996-1997 | Polaris | SL 900 | Base |
| 1999-2001 | Polaris | SLH | Base |
| 1996-1997 | Polaris | SLT 780 | Base |
| 1999 | Polaris | SLTH | Base |
| 1996-1999 | Polaris | SLTX | Base |
| 1999 | Polaris | SLX | Base |
| 1996 | Polaris | SLX 780 | Base |
| 2000-2004 | Polaris | Virage | Base |
| 1974-1975 | Porsche | 911 | Carrera |
| 1970-1971 | Porsche | 911 | S |
| 1976-1977,1986-1989 | Porsche | 911 | Turbo Carrera |
| 1978-1979 | Porsche | 930 | Turbo |
| 1981-1983 | Yamaha | XJ650L Turbo Seca | Base |
| 1985 | Yamaha | XJ700 Maxim | Base |