Hobbsy already have a 10 maybe an FP?? the heads the same will try the TT can always get an LA as you know have the TTpros
61 and 46 and 2 25ss Bob just got a 61 pro engine and most likely will be a production head mine was a one off
somw where in the parts election tihink there is a 10 head floating around so can do an lA just by getting the engine martin