?? RHS or edelbrock heads for my 408 ??

I,m running mild ported Eddy RPM,s on my solid roller cammed 408(410)I,m gonna say I,m around 500hp.I,ve never had the engine dynoed,but have ran in the 10,s at the track.I,m at 10.5 to 1 compression running Sunoco Gold 94.:thumbrig: