440 rebuild

hi i have a 78 440 with edelbrock cam and intake both rated idle to 5500 rpm with older stage v heads 90 ccs milled .005-.010 for flatness ,hollet 750 carb 3/23 gears, stock converter,the cami have now has 420 /442 lift 270/280 lift i am trying to find a new cam my picks so far are lunati #60302 du