Was considering building a stroked 340 and was considering the Promaxx heads CNC'd with 2.08" valves. Was wondering if anyone has any experience with the valves that come with them. Was wondering if they are a quality valve. I think they are Ferrea valves. Not sure if they were imported for them or if they are indeed Ferrea valves. Hope I am spelling that right. Thought maybe they used an import valve thru ferrea to put into the heads?? Any info would be appriciated. Thanks.
Ferrea itself is an imported valve. Think they are made in South America if I remember right.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17
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