Athena Piston Kit Forged 99.94mm Bore S4F10000001A

The Piston Kit is only compatible with original cylinder. It is made through hot forging and is equipped with one or more piston rings. This combination ensures lower friction with the cylinder and consequently higher throughput, combined with increased strength and reliability. The kit, in addition to the piston itself, contains the pin, clips and piston rings kit. The elements mentioned above are replaceable and interchangeable in case of need. Athena offers a complete range of forged pistons for the main 2 and 4-stroke Off-Road models. They are produced thanks to a revolutionary computerized technology that ensures production dimensional tolerances of less than 0.01 mm. The balance between the materials used in production (silicon, copper, nickel and aluminum alloy) allows Athena pistons to achieve a level of reliability equal to the original and, at the same time, to guarantee greater resistance and excellent performance. All Athena products produced in larger displacements and powers than those provided by the road code of the user's country, are intended exclusively for competitive use. Athena declines all responsibility for any use of the product contrary to national regulations.

• High resistance to mechanical and thermal stresses
• Maximized and reliable performances
• Excellent price-quality ratio

Brand: Athena
Part Number: S4F10000001A

Fitment:

• Yamaha Grizzly 660 YFM660F 4x4 2001-2009
• Yamaha Raptor 660R YFM660R 2001-2009
• Yamaha XT660 Tenere Z 1991-1998

Note: Image is for reference only, actual product may vary slightly.