Cylinder kit ATHENA 80cc, 48mm with reed block and intake manifold for Sachs, Hercules

Athena Big Bore cylinder kit with 80cc displacement and a 48mm bore.
The cylinder kit includes an aluminum cylinder with an enlarged bore, a complete piston set with piston pin and rings, a reed valve, an exhaust manifold, and all necessary gaskets.
This cylinder kit can be fitted to the crankcase without any modifications.
Suitable 50cc Sachs models:
Sachs Batavus
Sachs City
Sachs Hercules Prima 5
Sachs Karstadt
Sachs M1
Sachs M2
Sachs M3
Sachs M4
Sachs M5
Sachs MX1