Performance Matters: The Heart of Every Harley When it comes to power, performance, and the unmistakable sound of a roaring engine, Harley-Davidson motorcycles set the standard. But at the core of every legendary ride lies a finely tuned component—the M8 crankshaft. Known for its strength and precision, this essential piece is crucial for optimal engine balance and performance, especially in Milwaukee-Eight (M8) engines. Without a robust and accurately designed crankshaft, even the most powerful Harley engine can underperform, wear out faster, or develop vibration issues that diminish the riding experience. Understanding the Role of the Harley Flywheel A properly functioning Harley flywheel isn’t just a heavy metal disc; it’s the engine’s memory. It stores rotational energy, ensures smooth operation between combustion strokes, and maintains crankshaft stability. Upgraded flywheels are essential for high-performance builds, especially when paired with stronger camshafts, pi...