SSP-G Exhaust Studs w/Nuts - 6mm or 8mm

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 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. The 8mm studs are intended to be used with a thick exhaust gasket like part number 190-51 (please see related items). Includes: 2 Steel Exhaust Studs & 2 Steel Exhaust Cap Nuts Please Select Stud Size from Drop Down Menu: M8x1.25 or M6x1.00 Overall Length: 40.5mm 8mm Studs Must Be Used With A Thick Metal Exhaust Gasket 40QMB 50cc 2-stroke, 50QMF 90cc/100cc , GY6 QMI/QMJ 152/157, QMB139 50cc/49cc