This is the Throttle Lever Assembly for use on the / O.S. 55HZ-H Hyper Ringed Engine (OSMG1955). / / FEATURES: Nylon construction / Black in color / / INCLUDES: One Throttle Lever Assembly / One 3x8mm Cap Head Screw / One Lock Washer / / REQUIRES: Installation on carburetor and attaching linkage / / SPECS: Length: 30mm (1.2") / Width: 30mm (1.2") / Height: 7mm (0.28") / / cnh 10/14/09