Iridiums higher melting point than platinum and better electical conducting capabilities make it possible to create the finest wire center electrode in history. At 0.07mm, these plugs are among the finest firing points in the industry providing the utmost top level performance from your engine.

• CR7EIX 10mm thread, .75 reach, cross reference Denso IU22, specialized performance heads
  
• CR7HIX 10mm thread, .50 reach, cross reference Denso IUF22, NGK Platinum CR7HVX, NGK CR7HSA

The CR7HIX Iridium plug is the most common fitment for 2 valve pit bike engines including:

• YX - all engines up to 175cc horizontal including branded as GPX Pirahna etc
  
• Lifan - all engines up to 150cc horizontal
• Jialing Humpstar, Motovert etc
• Honda
• Kawasaki