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Description: These 101-Octane replacement exhaust studs plus nuts work with many scooter exhaust and cylinder big bore kits. The nut length allows for solid mounting of the exhaust system, in a way that standard nuts cannot. The set includes two exhaust studs and two exhaust nuts.NOTE: Shorter threa..

Description: Standard Cylinder Stud 168mm 176mm 2-Valve Set for 139QMB 49cc-88cc. Includes two short studs at M7x168mm and two longer studs at M7x176mm. Set of 4 studs.NOTE: Long thread screw into the crankcase, the shorter thread is nutted. Recommended apply blue Loctite and torque no more than 6..

Description: Cylinder Stud 176mm 2-Valve for 139QMB 49/50cc 4-stroke engines.NOTE: Long thread screw into the crankcase, the shorter thread is nutted. Recommended apply blue Loctite and torque no more than 6 ft-lbs max. on these 7mm studs. For assurance please consult your manufacturer's..

Description: Cylinder Stud Nut M8x7.6mm Serrated Set for GY6 4-stroke 125/150cc+ engine. May also be used in other applications.Specifications: Include the following Cylinder stud nut set.•    4x Serrated Flange Nuts ID: M8 / OD: 12<16mm / H: 7.6mm•    Fit Intak..

Description: These replacement M6x32mm exhaust studs work with many scooter exhaust and cylinder configurations. The set includes two exhaust studs.NOTE: Shorter thread screw into the cylinder head, longest thread is nutted. Recommended apply blue Loctite and torque no more than 5 ft-lbs max. o..

Description: These replacement M6 exhaust stud with nut set work with many scooter exhaust and cylinder big bore kits. Set includes two exhaust studs and two exhaust nuts.NOTE: Shorter thread screw into the cylinder head, longest thread is nutted. Recommended apply blue Loctite and torque no more th..

Description: These replacement M6x50mm intake studs work with many scooter intake manifold and cylinder configurations. Set includes two intake studs.NOTE: Shorter thread screw into the cylinder head, longest thread is nutted. Recommended apply blue Loctite and torque no more than 5 ft-lbs max...

Description: These replacement M6x63mm intake studs work with many scooter intake manifold and cylinder configurations. The set includes two intake studs. NOTE: Shorter thread screw into the cylinder head, the longest thread is nutted. Recommended apply blue Loctite and torque no more than 5 f..

Description: These MotoForce replacement exhaust studs work with many scooter exhaust and cylinder big bore kits. It may sometimes be harder get to mount an exhaust using conventional M6 bolts with different thread lengths. Installing these studs with equal thread length makes things a lot easier to..

Description: These Naraku replacement exhaust stud M6x32mm with nut set work with many scooter exhaust and cylinder big bore kits. The nut length allows for solid mounting of the exhaust system, in a way that standard nuts cannot. The set includes two exhaust studs and two exhaust nuts.NOTE: Sh..

Description: These replacement 6mm exhaust studs work with many scooter exhaust and cylinder configurations. The set includes two exhaust studs.NOTE: Shorter thread screw into the cylinder head, the longest thread is nutted. Recommended apply blue Loctite and torque no more than 5 ft-lbs max. on the..