Kowalsky Racing Engines "RACING ENGINES" Kowalsky Racing Engines Engine Specs: 526 cu. in. Big Block Top Sportsman Ready 1300 + horsepower! Kowalsky Racing Engines Engine Specs: 429 cu. in. Small Block Splayed Valve Cylinder Heads Custom Kowalsky Intake & Headers 1000 + horsepower! Kowalsky Racing Engines Engine Specs: Typical Small Block Chevy Engine Build Mild to Wild! Kowalsky Racing Engines Engine Specs: Street Stock Engine 357 cu. in. Small Block Two Barrel Carburetor Many options available!