ATHENA 0910-0581 S4C04760006A Piston Kit for Athena Big Bore Cylinder 2-Stroke Piston Kit - 47.54 mm - Yamaha | Malaguti Brand velocity-sensitive valving automatically adjust to

velocity-sensitive valving automatically adjust to riding conditions

Container Size 946 ml Model Actevo Packaging 6 per Case

Provides smoother shifting and more consistent clutch engagement

Help reduce bearing noise with new high-quality bearings

Shifter Pegs can be rotated full 360 degrees to any angle and then locked down with Stainless Steel hardware (included)

ATHENA 0910-0581 S4C04760006A Piston Kit for Athena Big Bore Cylinder 2-Stroke Piston Kit - 47.54 mm - Yamaha | Malaguti Brand velocity-sensitive valving automatically adjust toFeatures 2 stroke cast piston for Athena big bore cylinder High resistance to mechanical thermal stresses Made with cutting edge CNC machining tools that ensures dimensional tolerances of less than 0. 01 mm Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions The rings adapt to the cylinder liner even at low tangential load Kit includes cast