These came to me with assorted parts so I know little of the history.

I think they are for a Villiers engine. 

STOP PRESS  -  A very helpful Ebayer has sent me information on this barrel and head.  He said that if the bottom of the barrel has A9020 on it then it is for a 147cc Villiers 29C engine.  Upon inspection I thought it had A0020 as the number as the casting mark was not that clear but I now think I should have read it as A9020.

Fair condition, some chipped fins on barrel, broken fin on head.  The bore is lightly scuffed and has a slight step at the top of the bore.  The thread on the exhaust port stub and the collar are excellent.

I measured the bore with a digital caliper and it showed 56.1mm.

You will need to satisfy yourself this is the correct part for your needs.  What you see in the photos is what you get.

Postage cost quoted is for UK mainland. 

If you buy more than one item from me I will combine postage where possible to keep the costs down.

I pack my items sensibly and get proof of postage.