This is the Replacement Cover Plate Assembly for the .50SX Engine. FEATURES: Aluminum Construction Needle Valve Included and Assembled (Remote Needle Valves are Mounted on the Cover Plate) INCLUDES: One .50 SX Cover Plate with Needle Valve COMMENTS: Mounting Screws Not Included, Use OSMG8743. For the .50SX Cover Plate Without the Needle Valve, use OSMG4135. JPG 4/2/02 ir/kh