New spark plug from sick bike parts?

[toker_ace]

Sick Bike Parts
anyone tried it?If so,whats the verdict?

 

[BarelyAWake]

http://motorbicycling.com/f23/due-demand-ngk-bpr6hix-plugs-17105.html
http://motorbicycling.com/f13/iridium-ngk-spark-plug-15276.html