1967 Chevrolet Impala Super Sport SS 427 ZZ4 5-Spd Convertible Restored

427 ZZ4 Crate Engine 390HP. Under the hood is where this Impala truly shines. Replacing the original engine is a Chevrolet 427 ZZ4 crate engine producing an impressive 390 horsepower. 1967 Chevrolet Impala Super Sport.