Chevy Crate Engine

The Blow Your Mind - ZZ572/720R Deluxe

Who needs a 720 horsepower and 685 lb.-ft. of torque—Chevy crate engine? You do! The 572/720 is the most powerful big-block Chevy crate engine ever made by GM Parts. The 572/720 is built on the solid ZZ572/620 pump gas street engine engine with some major mods: GM added 12:1 compression pistons, hotter camshaft, and their rectangular-port aluminum Bowtie heads. The solid roller camshaft is a .714" lift cam to feeds the air/fuel mixture into the 572 big-block.

The ZZ572/720R is rated at 720 horsepower at 6250 rpm and 685 lb.-ft. of bear like torque at 4500 rpm. The short block is built with a 4340 forged steel crankshaft, forged steel rods, forged aluminum pistons with full-floating wrist pins, stiff dual valve springs. The Deluxe ZZ572/720R ships with a 1090-cfm Demon four-barrel carburetor, tall-deck single-plane intake manifold, HEI distributor, aluminum short-style water pump and 8 mm spark plug wires. Special 572 aluminum valve covers come with the Chevy crate engine package. Add a starter to fire it the crate engine!