Rated at 320 horsepower in 1967, the S-code 390-cubic-inch V8 was the first big-block engine ever offered in the Ford Mustang.

The 2024-2025 Mustang 5.0 V8 ... (Source: Ford) Unlike restrictive factory intakes, Roush’s high-flow intake system optimizes performance by allowing the 5.0-liter Coyote V8 to breathe more ...