Harley Davidson Original OEM Rear Cylinder.7 Bolt.Fits Early VL Models.1930`s.The cast #`s are 1-20 & 120-33T.This is a used cylinder of coarse so please look at all pics so you know the overall condition,(see all pics).The cylinder should be re-sleeved.The bore is 3.490 and I see a score mark inside.I see a broken fin by the top and 4 more broke towards the bottom,(see pics).I see someone did a repair to the intake port,(see pic #5).Being used you will see some rust,pitting,dirt,wear marks,etc.I have to mention all because it is used.So this one will need some work,but it is an Original.As always,Please look at all pics so you know condition,(see all pics).Good luck bidding.Thanks for looking.