I am making some new oversize guides for a B31 (old worn head that had OS guides in before). Am I correct in thinking a 1 to 1.5 thou fit is correct? (cast head and guides).

cheers
Pete

Yes, you'll be OK with that degree of fit....Ian

email (option): ian@wright52.plus.com

thanks Ian. I thought as much but wanted to check. :+1: