- 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
Yamaha -- XRT 1200 XR1800 -- (2000, 2001); Yamaha -- GP 1300 WaveRunner R -- (2006, 2008, 2007, 2003, 2004, 2005); Yamaha -- XA 1200 WaveRunner XL -- (2000); Yamaha -- GP 1200 A WaveRunner R -- (2001, 2000, 2002); Yamaha -- XA 1200 A WaveRunner XLT -- (2004, 2001, 2002, 2003)