What was the horsepower of a stock 1991 350 K1500 pickup engine with dual barrel throttle body?

The 1991 Chevrolet K1500 350 (5.7L) with a dual-barrel carburetor (not throttle body) produced 230 horsepower. It's important to note that this is the factory rating; actual horsepower might vary slightly depending on factors like manufacturing tolerances and altitude.