A-VPE9207-AI Exhaust Manifold, 90 degree elbowOne New Aftermarket Replacement Exhaust Manifold with 90 Degree Elbow Fits Massey Ferguson Tractors This aftermarket replacement exhaust manifold with integrated 90 degree elbow Fits Massey Ferguson tractors equipped with the 3 cylinder Perkins AD3. 152 diesel and AG3. 152 gasoline engines. The manifold collects exhaust gases from the cylinder head ports and directs them upward and out through the 90 degree elbow outlet, channeling exhaust away from