- Superior construction for serious power
- Versatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hot
- Features high alumina ceramics for improved heat dissipation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer life
Fitment
| Make | Model | Years |
| Aprilia | RS 50 | 2002-2007 |
| Aprilia | Tuono 50 | 2004-2005 |
| Gas Gas | SM 50 | 2004 |
| Honda | CR250M | 1973-1976 |
| Honda | CR80R | 1980-1985 |
| Honda | TRX250R | 1986-1989 |
| Honda | CR250R | 1978-1981 |
| Honda | ATC250R | 1984-1986 |
| Honda | NSR50 | 2004 |
| Honda | CR60R | 1983-1984 |
| Kawasaki | KDX175 | 1980-1982 |
| Kawasaki | KX400 | 1975-1976 |
| Kawasaki | KX420 | 1980-1981 |
| KTM | 105 SX | 2007 |
| KTM | 125 Sting | 1997 |
| KTM | 85 SX (17/14) | 2007 |
| KTM | 200 SX | 1998-2004 |
| KTM | 85 XC | 2008-2009 |





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