The RS-X Heads are meticulously crafted from CNC-machined aluminum, allowing for precise control over airflow and combustion. Relying on good ol' displacement, Chevy's ZZ632 big block V8 crate engine ...

Today's automotive enthusiast can order a 500+ horsepower small-block Chevy V8 crate engine with ... 3:1 compression ratio from custom-designed aluminum cylinder heads with 64cc combustion chambers.

Introduced in 1970, the Chevy 454 — affectionately known as the Rat Motor – was the largest displacement Chevrolet engine to enter the big-block ... Its aluminum cylinder heads feature ...

For the ZZ6, Chevy is working to improve the Small Block's ... Burn-style aluminum cylinder heads, with large intake runners and 2.00/1.55-inch valves, enable the ZZ6 to flow big air, while ...

While those big-block competitors have fallen by the wayside, the Chevy 454 soldiered on in ... engine is priced at ...