BR8 iex iridium spark plug

Use for 2018-24  300 cc applications if desert racing or mostly faster riding.  Use in 250 cc applications for slower singletrack riding.
  Less chance of fouling and noticeably snappier throttle response.    This is really someting you want to add to a 23 or 24. 300 TBI bike, if most of your riding is faster, and 23-24  250 cc TBI bike for singletrack.    2023-24. 250 cc TBI bike use a 9 heat range plug for motocross or faster riding