QR15BFXC Premium Evo KTM 390 Spark Plug size and head gaskets from heat-related

and head gaskets from heat-related damage in high-performance applications

and longer service life than standard plugs

ensuring faster heat transfer

For KTM 790

QR15BFXC Premium Evo KTM 390 Spark Plug size and head gaskets from heat-relatedPremium Multi Spark EVO Series spark plugs with patented Laser Technology. Technology and knowledge of engine management transformed into Premium EVO spark plug series. Especially better utilization of fuel energy, reduction of specific fuel consumption and suppression of some imperfections of new and older engines. The patented technology application of auxiliary electrode coating to the tip of the insulator ensures the unique properties of the spark