Athena P400485100030 Big Bore Cylinder Kit 144cc +4.00mm Oversize to 58.00mm Athena's cylinder kits and its components are recognized worldwide for their performance, durability and reliability. Athena's Big Bore Cylinder Kits guarantees an increase in performance that can be observed along the power curve, keeping the reliability at the same level of the original components. The kit includes the high-quality aluminum cylinder with increased bore, the cylinder head, the complete piston with the piston pin and rings, and all the necessary gaskets.
All the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests. Professional installation recommended by a certified mechanic, shop or dealer in the powersports industry.
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