small block hyd. roller lifters

318willrun said
I mean.... 318's and 360's cam with roller cam/lifters and used the stock stamped steel rockers/shafts. Only need to switch is for strength, depending on how much spring pressure/lift you are using. I have over .500 lift on a 5.9 magnum and using the Hughes spring kit with the stock rockers, no issues yet

Same here 318willrun. I have 50k miles on a 5.9 with a Hughes cam over 500 lift with their springs on some EQ heads with nothing but the stock magnum rockers.

If the op has an LA style head mopar performance used to make some "heavy duty" stamped steel rockers that were slightly thicker than stock.