Originally Posted by fast68plymouth
Is it even on a billet core?

It’s probably lobe # R-483, which is in their “street roller” series.
280 advertised/240@.050, 153@.200, .350” lobe lift(.525 w-1.5), lash .028”

I’d consider it a roller version of the MP 528 cam.


I looked at the engraving on the end and it does have RR-483 XO32 13L 110 It's kind of hard to read the engraver must not have a very steady hand.

Gus beer

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