MEGA OFFER! This is the piston ported (i.e. for NON reed valved induction kits) version based on the Casa 225 piston as used in the amazing SS225 kits.
This has no cut-outs for the reed valve and can be used in both cast iron or aluminium cylinder kits. These are extremely high quality and much better than most similar pistons on the market. Available in Grade 'A'.
If you want a superb quality 70.0mm upgrade for your 225cc piston ported Lambretta, look no further.