GLM Exhaust Elbow. Fits Mercruiser components. Refer to manufacturer recommendations and guidelines for proper fit/installation information. Features of GLM Exhaust Elbow Made from quality materials Fits Mercruiser Components Replacement exhaust elbow/riser Refer to manufacturer recommendations for proper installation/fit information Designed for use in marine environments Package Contents: GLM Exhaust Elbow GLM 51140: 51140 Exhaust Elbow