GY6 Exhaust Studs with Nut -6mm

GY6 Exhaust Studs with Nut -6mm  Steel exhaust studs and 2 steel exhaust cap nuts. Please select Exhaust Stud diameter from drop down menu. 50cc/90cc, 2-stroke Minarelli engines typically use 6mm studs 50cc, 4-stroke QMB139 engines typically use 6mm studs 150cc, 4-stroke GY6 Stock engines typically use 6mm studs *Please note: you should double check your stud size before ordering, the information above is only a general guide