Mercury Mercruiser - 1.7" Exhaust Manifold Riser Kit - Fits MCM V-6 & V-8, MIE V-8 Non-EC - Standard Cooling - 2004-2016 - 865995A01Raises the height of the GM V 6 & V 8 small block (non Electronic Control) engines with dry joint exhaust system to prevent water from entering the engine through the exhaust system. Maximum height of 6 inches (152 mm). 1. 7 inches (43 mm) for standard cooling and dry joint exhaust manifolds. Fits the following 2004 2016 models: MerCruiser Marine V 6 & V 8 (305, 350, 377 cubic inch displacement) non Electronic Control engines (serial number 0W310000