GLM Rotor. Fits Mercruiser/OMC/Volvo Penta components. Refer to manufacturer recommendations and guidelines for proper fit/installation information. Features of GLM 71120 71120 Rotor Made from quality materials Fits Mercruiser/OMC/Volvo Penta components Replacement ignition rotor Refer to manufacturer recommendations for proper installation/fit information Designed for use in marine environments Package Contents: GLM 71120 71120 Rotor GLM 71120: 71120 Rotor