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Just curious if the Indy rocker arm shafts like they provide w/ their 440-1 kit hold up to 600#s OK, or if they're not beefy enough and end up oblonged / egg shaped after usage. These would be for use w/ plain-bearing style rockers, not needle-bearing fulcrums.



shafts seem ok, but this is what there rocker arms do with to much pressure....


I broke three 1.5 offset rocker on a 640 lift cam last year they were IND black arms i know four guys that have broke rockers and they went to JESEL but i got me a set of T&D shaft mount rockers i got 1.6 rockers on a 725 lift cam i will see if they hold up in a 572 stoker. GOOD LUCK