Seller notes

TB Parts 143cc Big Bore & Cam Performance Kit (60mm): Item #TBW9212 TB Parts 143cc big bore kit with our NEW bolt on performance camshaft kit. The combination of these parts amplify the results! The cam opens up the valves more so then the larger bore kit can breath better resulting in even more power throughout the power curve! You will not believe the night and day difference this setup makes over the stock engine! The all aluminum ceramic coated cylinder is lighter than a steel sleeved alumin...

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