This is a set of brand new stock 77mm pistons and cylinders for the late Model European 40HP, 1200cc.
This Kit has the 90mm bottom and will work on all late Model 1600 cases. 

Engine size: 1200cc

Stroke: 64mm

Cylinders: Cast Iron

Pistons: Hypereutectic 

Compression Height: 38.05mm

Kit includes: 4 Cylinders, 4 Pistons, 1 set of piston rings, 4 wrist pins, and clips.

Part #: VW7700T40E