ProComp/Speedmaster aluminum heads

j par said

I assume you're referring to a member and I really hope he hasn't already chimed in on this thread and I can't remember?

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I have... Run the cnc ootb and commented on the thread. Lol ootb with the exception of changing the springs for my cam. Not a fan of the helicoiled rocker shaft stands, but honestly a more mild flat tappet setup may not have had my problems.