The core of the problem with iron small-block Chevy heads is that there ... True, Chevrolet continues to carry new high-performance cast-iron heads, but they now list for over $300apiece—when ...

Vortec 170cc Cast-iron SBC Cylinder head One of America's favorite high-performance, cast-iron, small-block cylinder heads offers big power at an incredible value. The modified combustion chambers ...

and performance-oriented double hump cast-iron cylinder heads with fresh valve jobs. Other Chevy cylinder head castings would do in a pinch, but the double hump, sometimes called camel hump ...

It seems kind of odd that a manufacturer with one of the broadest selections of aftermarket performance small-block Chevy ... about an affordable cast-iron stock-style head for a street 383.