Chevrolet Performance currently sells the largest naturally aspirated crate motor available from the Detroit Big Three. Its name – ZZ632/1000 – indicates 632 cubic inches (10.4 liters ...

The 632 cubic-inch big-block, the most powerful engine Chevy has ever built, is available among the automaker's ZZ crate engine lineup as the ZZ632/1000 DELUXE. Carrying Chevrolet part number ...