Application:  Z-750                              2004-2009

                       Z-1000                            2003-2009

                       ZZR-1200                       2002-2004

                       ZZR-1100                       1998-2001

                       ZZR-600                         2000-2007

                       ZX-6R  Ninja (ZX600)   1995-2006

                       ZX-6RR Ninja (ZX636)  2002-2006

                       ZX-7R Ninja (ZX750)     1996-2004

                       ZX-9R Ninja (ZX900)     1998-2004 

NGK Iridium IX series

1. Requires less voltage to spark and burn fuels more efficiently

2. New metal shell plating has excellent anti-corrosion qualities

3. The tapered ground electrode increases flame kernel expansion

4. 0.6mm iridium center electrode tip offer superior ignition ability without sacrificing durability