BARR MC-20-98502 Mercruiser Riser 0° Angle Direct replacement water cooled center discharge riser 3" exhaust outlet 0° Angle outlet Replaces 98502A2 Suitable for V6 229, 262cu, V8 898R, 228R, 260R, 330, 340 and 454cu Magnum BARR risers include plugs, gaskets and mouting hardware to mount to manifold