They will be fine with the stock set-up, it will make the ,444 lift stock cam act like a .474 lift cam. On a nice set od alum. heads I would get stud mount and a set of 1.6's. the 1.7's put a lot of extra strain on the valve train which can hurt you when you have a nice big cam.
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My Ride Check Out My Site 91GT, Holley SysteMAX II Kit-Heads 2.02" x 1.60",Full MAC exhaust 1-5/8" Long tubes, 2-1/2" O.R H-Pipe, 2 1/2" cat back, 12" K&N Filter, RNH PERFORMANCE Ram Air, Ron Davis Radiator, Full Suspension,3:73's, Welds, Best on new motor-12.60 @ 108, no traction 1.98