Provides a replacement or upgrade flywheel wheel for starter box systems, offering reliable traction against the engine’s crankshaft during engine starts. Constructed from durable rubber, it grips the flywheel effectively to ensure smooth starting performance. Designed to fit compatible starter box pulleys, it helps maintain consistent contact and rotation during use. Easy to install, it restores proper starter engagement without extensive adjustments. Suitable as a direct replacement for maintaining dependable starter box function.