your not going to run that much cam @050 240/245 hyd roller with power brakes with out a vacuum pump watch the PCV may not work .i built many of the 489/496 this way with abit less cam and have low vac. i have cams in stock close to what your looking for no need for a custom grind . that are 585/585 242/250on108 and 627/627 238/246on112. this cam works nice but will need more stall621/621 246/250on 108. used them with with 4/7 swap i have the 627/627 238/246 on 112 in a 4/7 swap in a steel core