The BRP 529036003 is an OEM (Original Equipment Manufacturer) RAVE Plate Tool designed for Bombardier Recreational Products vehicles, including Ski-Doo snowmobiles and Sea-Doo watercraft. Measuring approximately 4-3/8" by 1-1/2", this specialized service tool is used for adjusting, servicing, or assembling the Rotax Adjustable Variable Exhaust (RAVE) valve system on Rotax two-stroke engines.