Over the decades, variations of the small-block Chevy V-8 have been ... and 330 lb-ft of torque. All engine blocks were iron, but Corvettes and F-body cars had aluminum heads.

For the ZZ6, Chevy is working to improve the Small Block's high-rpm performance ... housed in a four-bolt-main cast iron block. A pair of all-new, aluminum valve covers caps off the new crate ...

Chevy double hump heads are iconic features of some of the fastest and most memorable car engines ever. Here's what you need to know.

Other Chevy cylinder head castings would do in a pinch, but the double hump, sometimes called camel hump, castings were the holy grail of Chevy small block cylinder heads desired by most people.