Product information "Piston for Cylinder Ø39.25 - Simson S51, S53, KR51/2 Swallow, SR50"
Piston
- for Cylinder Ø39.25 - 5th oversize 50ccm - good quality, made of K20 aluminum - Surfaces for thrust washers machined - with piston rings, piston pin and retaining clips - The arrow on the piston must point towards the outlet