My point was that no reputable cam company would surprise you with a cast roller ... you'd know what you were getting either from the catalog or when you ordered it.
Anyhow, to the OP's question ...
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i know sadi rollers are cast does this mean you can use a stock oil pump shaft with steel gear????
YES
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next question can you get a true 8620 billet roller cam with a cast gear??
There seem to be a few folks on here who think you can. However, I've yet to figure out how anyone could press on a gear that is smaller than the front cam journal !!! Explain that and I'll be a believer!
