how to achieve 600 to 650 hp sb 408?

hello guys i need some help what to be done to achieve 600-650hp. Here is the things i have now. i change the things thats needed to be done to achieve the goal.

La 360 block with oil modifications and hughes stud girdle
Eagle stroker kit forged 4340 crank
forged h-profile rods
srp 10,5 pistons i have measured the compression its low 9,80 to 1 so thats need to be higher i have calculated that i can raise that to 11,20 to 1 without piston change but i dont no if thats enough
melling hv pump oil pump
milodon windage tray and pan
camshaft comp cams solid roller xr286r lift 582/576 0,50 248/254 and lifters and pushrods
indy 360-1 ported cylinder heads and indy intake
milodon gear drive
tti 1 5/8 to 1 3/4 headers
and 1050 holley dominator

as it is now its benched in dynaflow to 555 hp at 6300 rpm and 527 ft lbs torgue