Athena P400485100010 Big Bore Ø 170cc 65 mm cylinder kit

Transform your 125cc engine with the Athena 170cc Big Bore Cylinder Kit. Expertly engineered in Italy, this premium top-end upgrade boosts displacement to a formidable 170cc, delivering a massive, noticeable gain in horsepower, torque, and acceleration. Experience a snappier throttle response without compromising Athena´s renowned reliability. This complete, direct bolt-on kit includes a Ø 65mm cylinder with an advanced low-friction coating, a lightweight piston assembly, and all necessary gaskets for a perfect, leak-free installation. Unleash the ultimate performance on the track or street