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Part #4 on the Cylinder Head Diagram Replacement motor head studs in two sizes, 6 mm and 8 mm- both 110mm long. Bicycle Engine Kit: Head Stud Size: Flying Horse and Mega Motors 8mm, 1.25 pitch Grubee Skyhawks 6mm, 1.00 pitch
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🇺🇸 Ship from USA · On Agora since 2025
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