- 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
Honda -- CN250 Helix -- (1996, 2005, 2007, 1993, 2001, 2006, 1998, 1999, 2000, 2004, 1994, 1997, 1995, 1986, 1992, 1987); Kawasaki -- VN 1500 G Vulcan Nomad -- (2000, 1999, 2001)