Seller notes

TB Parts 143cc Big Bore Performance Kit (60mm) With Big Carb! : Item: #TBW9276 TBparts 60mm 143cc Big Bore Kit: An all aluminum ceramic coated cylinder. No case boring required, bolt on! This cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction (increasing power), improves sealing, and provides better heat transfer (runs and cools down quicker). Lightweight, high compression 10.5:1 domed 60mm piston comes with rings, pin, & clips (will safely run on pump gas, 90-93 octane...

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