- 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 -- XR400R -- (2002, 1999, 1996, 1997, 2001, 2000, 2004, 1998, 2003); Honda -- TRX400X -- (2009, 2012, 2014, 2013); Honda -- XR250L -- (1995, 1991, 1992, 1993, 1994, 1996)