The Grey Ghost Fat Boy is a limited-edition 2025 Harley-Davidson Icons motorcycle that honors the original 1990 Fat Boy with a silver and yellow color scheme and classic styling. It features a chrome-like mirror-finish created with physical vapor deposition (PVD), a Milwaukee-Eight 117 V-Twin engine, and design elements like the original's lacy seat and round air cleaner. This special model has a unique, serialized look that is a nostalgic nod to the 1990 model's debut.