2 steel exhaust studs and 2 steel exhaust cap nuts.  THIS ITEM IS 8MM STUD  (M8X1.25)

• 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
• 250CC 4-stroke CN/CF 250 stock engines use 8mm studs

• Includes: 2 Steel Exhaust Studs & 2 Steel Exhaust Cap Nuts
• Overall Length: 42mm