Big-block flow numbers exceeding ... See All 17 Photos 17.Making over 700 hp with a 496 is easy when you install heads capable of supporting over 800 hp. The Brodix BB-3 Xtra 345 heads combined ...

In truth, heads like the Brodix BB-3 Xtra ... the big side for the 496. With intake ports that measured 357cc, the impressive PowerPorts would be more at home on a big-block exceeding 500 cubic ...

Brodix has hit a home run with its new oval-port aluminum big-block Chevy heads. The heads are a direct replacement for any big-block Chevy head and offer not only excellent power right out of the ...

Brodix's BB-2 Plus heads are designed to be an all-purpose head for big-block Chevys. Like the other heads, these have 119cc combustion chambers but smaller 312cc intake runners. There is also a ...