Quality non genuine cylinders for the later (post s/n 18270) air cooled Petter PJ Diesel engines.
Equivalent to Petter P/N 402443.
These cylinders are not interchangeable with early engines despite both using the same piston assembly P/N 359972.
Cylinder differences:-
Early style P/N 402442 base spigot OD is 109.44 mm ( 4.309”)
Later style P/N 402443 base spigot OD 104.90 mm ( 4.130”)
Please check your requirements carefully before ordering to ensure compatibility.