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Premium Exhaust Gasket Set for GY6 150cc/125cc and QMB139 50cc engines

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This Premium Exhaust Gasket Set includes a premium metal gasket, 2 stainless 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

In stock (32 items available)
  • $15.99
  • SKU
  • Includes: 1 Premium Metal Gasket, 2 Steel Exhaust Studs & 2 Steel Exhaust Cap Nuts
  • Please Select Stud Size from Drop Down Menu: M8x1.25 or M6x1.00
  • Bolt Hole Spacing: 49mm



  • Size
    1/4" 6mm, 5/16" 8mm
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