Even though the Chevy 454 big-block engine is no longer in production cars, you can still buy it as a crate engine. Here's a look at its hp and cost.

1,015 HP in a Box: BluePrint’s New 632ci Big-Block-Chevy-Compatible Crate Engine Is Scandalously Affordable!

Westech Performance tests a 582-inch big-block Chevy with a port-injected NOS system that took the 1,000-hp big-block to nearly 1,500 hp!

Under the hood, Gil's Bubble Top Chevy Impala packs a twin-turbo Mike Moran 540ci big block engine making a whopping 2,000 hp (2,028 ps) but detuned to 1,800 hp (1,825 ps).

Chevrolet's ZZ632/1000 big-block crate engine makes 1,004 horsepower, 876 lb-ft of torque, and has a suggested price of around $48,000.