The FMF 4-Stroke Wash Plug is a must-have tool for any 4-stroke motorcycle owner. This plug is designed to fit into the spark plug hole of your 4-stroke engine, allowing you to easily wash away dirt and debris from the combustion chamber. The plug is made from durable plastic and features a rubber O-ring to ensure a tight seal. With the FMF 4-Stroke Wash Plug, you can keep your engine running smoothly and efficiently. Plus, when you shop at Discount Moto Gear, you can get this essential tool at a great price