Chevrolet Performance’s all-new ZZ632 crate engine is simply the biggest, baddest, and most powerful big-block ever from Chevrolet. It’s rated at a stunning 1,004 hp and 860 lb-ft of torque—with Pro Stock–inspired spread-port cylinder heads and other modern technologies that enable that incredible performance on 93-octane pump gas.
In fact, the ZZ632 is designed for dual-purpose performance. Electronic fuel injection, advanced ignition technology, and a carefully developed hydraulic roller camshaft profile contribute to a unique balance of great driveability on the boulevard, while the all-new RSX spread-port cylinder heads—named for Chevrolet Performance engineer Ron Sperry, who helped develop Chevrolet racing engines—support amazing high-rpm capability on the dragstrip.
“We challenged ourselves to take big-block street performance to the next level and 1,000 hp on pump gas was it,” Alin Dragoiu, Chevrolet’s…