Edelbrock Victor Series Race Cylinder Heads or Trick Flow cylinder heads

IMO, for a 390 street engine, a set of ProMaxx or TF heads would get used. Plenty of power can be made with those heads.

Robert Navarro said

Yeah, but are the Victor heads better than the trick flows....not the ordinary edelbrock rpm heads

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The which is better is a matter of goal.
The Victors flow more air but there cost is hefty and require special parts. Your pistons can cost a grand alone. The headers are close to that. The rocker gear needed is very pricey.

The Victor heads are designed for maximum output.