Hyd Roller vs Hyd Flat tappet on SM heads

rumblefish360 said

Like this head here you can purchase it bare or fully assembled?

Shocker 185 Mopar CNC (Sold in Pairs) - PROMAXX Performance Products

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My 170 promaxx heads got upgraded stem seals and the valve stems needed polished. The guides were a little tight for my machinists liking. Everything else was good. Concentric was spot on.