* NGK B6HS - B7HS - B8HS - SHORT REACH * 125-150cc PX/EFL/DISC-SPRINT-GL-SUPER-SMALL FRAMES
MOST VINTAGE MODELS 125-150cc . . . NOT T5-T5 CLASSIC
* NGK B6ES - B7ES - B8ES - B9ES LONG REACH * P200cc MODELS & T5-T5 CLASSIC-SS180-GS160 RALLY-ETC
* B6 HS/ES HOT RUNNING AROUND TOWN
* B7 HS/ES MEDIUM RUNNING
* B8 HS/ES COOLER RUNNING LONG DISTANCE
* B9ES LONG DISTANCE MOTORWAY
* APPROX PLUG GAP SIZE 0.6mm