What rocker option for R/T magnum iron heads?

emailed Tim at Hughes and he put the shaft conversion rockers on a r/t head at the shop and said they were fine....
So I probably order them tomorrow,so got guide plates and studs for yet another project !
Just when you think you got your plan and project all in order,BAM your headed in another direction...at least my teener can go in my 66 Dart now with just a cam change !!!
And this 360 can go in the 74 Dart

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