High-quality Polini PTFE / FKM oil seal with dimensions 17x28x5mm for the Evolution gear box cover suitable for scooter with 50cc Minarelli horizontal or Piaggio engine.

Explanation: The difference between FPM, FKM, Viton®
Behind the abbreviations or names mentioned is the identical basic material - fluororubber. FKM is the abbreviation for fluoroelastomers according to the American ASTM standard. Viton®, on the other hand, is a trademark of the company DuPont Performance Elastomers.

In our range, all fluoro rubber articles are designated with the abbreviation FKM.