★ Fitment：for GY6 GMB139 Engine 50cc 70cc 90cc 110cc 125cc 150cc Scooters ATVs Go Karts Moped Quad 4 Wheeler Dune Buggy. It may fits Scooters with GY6 50cc - 150cc Motors Sandrail Taotao Sunl Coolster Jonway Roketa etc ★ Premium Metal Exhaust Gasket L: 68.5mm; ID: 27mm; W: 45.8mm; H: 4.4mm; Bolt-to-Bolt Space (Center): 49mm, Round Exhaust Gasket- OD:30mm; ID:21.8mm; Thickness: 5mm ★ Metal Exhaust Gasket:(2pcs); Round Exhaust Gasket: (2pcs) ; Exhaust Bolts:M6X32mm (4pcs); Intake Manifold Studs: M6X32mm (4pcs); Exhaust Cap Nuts: M6X30mm (4pcs)  ★ Easy to install, Please Check The Size Before You Buy It. ★ Mokuo:Customer satisfaction is my top priority,if you have any questions about the products, please contact us before purchasing it, we'll reply you within 24 hours.