Roller Retrofit Lifter Bore Question

Dan the man said

So, your saying that factory hydraulic roller lifters can be used in a non roller cam block?

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No, Morel (name brand) hydraulic rollers can be used in non roller blocks like my 273 for my 65 Barracuda. SBM factory roller blocks have taller lifter bores than older LA blocks, so the factory roller lifters will not work in them.