2 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

50cc 2-Stroke Kymco engines typically use 6mm studs.
150cc, 4-stroke GY6 Stock engines typically use 6mm studs
150cc, 4-stroke GY6 Modified engines typically use 8mm studs
*Please note: you should double check your stud size before ordering, the information above is only a general guide

12/29/20