Horsepower limit for out of the box Edelbrock RPM heads

rumblefish360 said

Say what you will, but....
Shocker 185 Mopar CNC (Sold in Pairs) - PROMAXX Performance Products

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We have purchased 2 pairs of the Pro Maxx heads 1 set for small block mopar, and 1 set for small Ford, very nice finish work on these heads.