Athena Big Bore Cylinder Kit Ø 100 mm, 490 cc - P400210100021 (Includes Piston)

Athena has dedicated over a decade to the constant enhancement of cylinder aftermarket replacement parts, aimed at improving production and performance. Each cylinder is meticulously engineered in Italy by Athena's R&D Department, benefiting from their strong internal expertise and state-of-the-art design and testing tools. These cylinders are coated with motor-nicksil, a proprietary nickel-silicon coating developed by Athena to ensure both smoothness and optimal wear resistance.

Athena's cylinder kits and components are globally acclaimed for their exceptional performance, durability, and reliability.

Athena's Big Bore Cylinder Kits provide a noticeable increase in performance across the power curve, while maintaining the same level of reliability as the original components. This kit comprises a high-quality aluminium cylinder with an increased bore, a complete piston with piston pin and rings, and all the necessary gaskets.

Every component in the kit is meticulously crafted to withstand the most extreme temperatures, pressures, and stresses, and they have undergone rigorous testing by Athena technicians through extensive bench and road tests.

Notably, this cylinder kit can be seamlessly installed without necessitating any modifications to the engine crankcase.

CAUTION: All Athena products must be used in accordance with the specific national regulations of the member state where they are marketed or sold. Athena disclaims all responsibility for any improper use.

Technical Features:

• Bore Diameter (mm): 100.00
• Bore Gain (mm): +4
• Compression Ratio: 12.0:1
• Displacement (cc): 490
• Net Weight (Kg): 1.90

Partner Cross Reference Code and Optional Parts:

• S4F10000005A Piston Kit 99.95 12:1
• P400210160016 Gaskets Kit
• S41316062 Rings
• S41317047 Piston Pin