With it being one of the most well-known motorcycle spark plugs out there, we wanted to make you aware of the amazing discounts to be had over RRP prices in our secure online shop. All NGK spark plugs we have available are 100% genuine units. We’re actually one of the very few auto parts suppliers who actively try and fight back against counterfeits every day. You can read our popular blog post here on how to spot fake CR9EIX Iridium IX spark plugs. It’s a growing problem on popular auction sites and we always do our best to make the general public aware of it.