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Author Topic: H75, H74, and H73 engine cylinder upgrade  (Read 5716 times)

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Re: H75, H74, and H73 engine cylinder upgrade
« on: December 06, 2022, 03:28:42 pm »
.... might be interested in purchasing your old cylinder liners and jackets....

EngineDIY has cylinders for $7.99


Assemble a real working internal combustion engine—gas-powered, full-metal, and ready to roar. Perfect for RC enthusiasts and gearheads.
EngineDIY · enginediy.com