8-1953-2 Exhaust Manifold 860246Q11 for Mercruiser Marine 5.0 305 5.7 350 1983-2002 94846865This riser exhaust manifold kit is well designed to allow effective engine cooling. The riser has well positioned water jackets to ensure easy flow of water which allow it to achieve effective cooling. Our upgrade manifold is made of high quality material, more flexible and wear resistant, high flexibility, corrosion resistant, long service life. The kit is compatible with most engines. 18 1953 2 manifold kit upgrade to replace and repair damaged