I've been playing with a spreadsheet looking at various options for high revving engines. Parts only no labor.
LS7 based brand new: RHS, WCCH LSW's, $2500 forged assembly, Isky EZ Rolls, cam gaskets, fasteners, main girdle, LSXR 120MM, accessory kit, +$23K. no labor. 8k RPM, 750hp
LS7 used...