Super Jet whats your choice of spark plugs.

Yami-Rider

TigerCraft FV-PRO
Location
Texoma
The "P" stand for "projected center electrode insulator" The electrode stick out further on the BPRES plug vs BRES plug...So it might hit the top of your piston.....Just run the BR8ES plug and be done with it.
 

Yami-Rider

TigerCraft FV-PRO
Location
Texoma
That's your heat ratings...The Higher the number the colder the plug and the lower the number the hotter the plug (thus 8 is hotter then 9)....too hot of plug can cause pre-ignition and to cold of plug will foul out from the gas/oil....most people run 8's including me.
 
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