1. Nov 1, 2021 #1
   

   Guillermo

   NGK bkr7eix or bkr8eix or RENAULT OEM 8201001947?
   Which better for tracks use and stage 2, 310HP?
   Thanks

    
3. Nov 1, 2021 #2
   

   Brigsy

   Stick with oem.

    
4. Nov 1, 2021 #3
   

   ianplymouth RSM Club Member

   If it's mapped i would and have gone for the BKR8EIX and gap them to 0.6mm, as with the extra boost it has a tendency to blow the sparks out.

    

   Guillermo likes this.

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