Swivel Exhaust Riser Elbow Chrysler | Barr Marine CM-20-4142411Swivel Exhaust Riser Elbow Chrysler Barr Marine CM 20 4142411 Swivel Exhaust Riser Elbow Chrysler Barr Marine CM 20 4142411 3 in. swivel style exhaust elbow found on many Chrysler marine engines. Barr Chrysler swivel exhaust elbow Used on Chrysler M383, M400 and M440 engines up to 1975 with swivel style exhaust For use with 3 in. ID marine exhaust hose Heavy duty cast iron Painted Chrysler blue Replaces Barr CM20 4142411 Replaces Chrysler 0009233E,