My Eddy Heads had to be milled .030 to get 58cc.

Eagle forged crank, H beam rods, .040 SRP pistons
Indy intake ported by Shane Studley (heads too)
Thumperized Holley 950
Lunati solid roller cam 255/263 @ .50 640/640 with 1.6 rockers
BAM roller lifters
Jesel shaft rockers
Spintech 1-7/8" long tube headers
Rebuilt Magnum truck oil pan
Blue printed oil pump and some other stuff.
Should see 10s at 8000' DA in my Dakota if the track ever opens back up