340 end cap question

Actually, #3 and #5 are different. #3 takes the thrust bearing. #1, 2, and 4 are basically the same and can be interchanged if line-bored and honed or more easily machined. Somebody here or on moparts.com had some aftermarket caps for sale. But I don't recall if they were 340 sized and if it included all or 1 through 4.