Quicky

[Imlearning]

Got a quick one for you experts. Can you use the "Hardened" rocker arm shafts for a 440, (say from Mancini fo 29$) with the ductile adjustable rockers (Crane)? I assume that you can, but I don't know if the hardened shafts are only for the aluminum ones or what. Thanks

[Chryco Psycho]

yes you can , the od is identical Check with 440 source they have sets of hardened shafts for a decent price as well