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Ductile Iron Adjustable Rockers. Typically they check out around 1.40 ratio (or less in some cases) instead of 1.50. I bet you would see a noticable performance inscrease with roller rockers.

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Are you sure about that? Those arent 273 rockers on there..

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Buy some aftermarket Ductile Iron rockers from Crane, Isky, Erson and whoever else sells them and check them at the retainers and let us know what you find I have Why do you think RAS was so busy when they where doing business on a regular bases Not only are the Mopar ductile iron rockers bad the Ford FE and the early Oldsmobile 303 to 394 C.I. and the early hemi where all bad