Intake system of a V-type engine

An intake system of a V-type engine having first and second engine banks, comprising:

• a surge tank above and between said first and second engine banks of said V-type engine;
• first and second intake pipes forming therein first and second intake passages which respectively extend from opposite sides of said surge tank and cross below said surge tank and respectively connect to said first and second engine banks;
• first and second delivery pipes in first and second spaces respectively defined by a lower part of said surge tank and lower parts of said intake pipes;
• said intake system comprising an intake system structure formed of said surge tank and said intake pipes, said intake system structure being divided into upper and lower blocks by a horizontal dividing surface positioned below said surge tank, said upper block including said surge tank and first and second upper pipe parts of said intake pipes, said lower block including first and second lower pipe parts of said intake pipes;
• first and second seal parts respectively positioned adjacent opposite sides of the surge tank and surrounding said intake passages on the dividing surface and facing toward said upper block;
• and
• first and second substantially straight inner sealing surfaces respectively associated with the first and second seal parts where they extend inwardly away from the engine banks so that only said inner sealing surfaces are positioned directly below said surge tank.