The engine gets all the attention, but the suspension is what actually decides whether a muscle car’s horsepower turns into confident handling or a fight through every corner. This guide covers the Hotchkiss leaf-spring setups that dominated for decades, the four-link and independent front designs that eventually replaced them, the factory handling packages worth knowing, and what to check before buying a car with a suspension that has not been refreshed in years. Read on to find out what is really holding your muscle car’s corners together.