NGK IX Iridium Series plugs were designed specifically for the performance enthusiast.

• Fine wire center electrode ensures high durability and a consistently stable spark
• Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

FITMENT

• KTM 250 EXC 2003-2005
• KTM 400 EXC 2003-2007
• KTM 400 XCW 2007
• KTM 450 EXC/MXC/SMC/SMR 2003-2005
• KTM 525 EXC/MXC/SMC/SMR 2003-2005
• KTM 560 SMR 2006-2007
• KTM 625 SXC/SXM 2003-2004
• KTM 640 Adventure 2005-2007
• KTM 990 Adventure S 2007-2008
• KTM LC4 1994-1998
• KTM LC4 Adventure Rally (Liquid Cooled) 2003-2006
• KTM LC4 Dual 2003-2004
• KTM LC4 Duke II (Liquid Cooled) 2003-2004
• KTM LC4 Supermoto 2003-2004

PROPOSITION 65

⚠️WARNING

This product can expose you to chemicals known to the State of California known to cause Cancer or birth defects and reproductive harm. For more information go to: https://oehha.ca.gov/proposition-65