Mercury Quicksilver - Big Block V-8 540 Cylinder Head Assembly - Fits 540 Mag Bravo 4V Plus Series Engines - 938-8M0115142All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the cylinder head using Manley Extreme Duty stainless steel valves for high temperature durability. This cylinder head fits the 540 Mag Bravo 4V engines featuring rectangular ports for high torque applications using 2. 19" diameter intake valves. Fits: 540 Mag Bravo 4V Plus Series engine
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Mercury Quicksilver - Big Block V-8 540 Cylinder Head Assembly - Fits 540 Mag Bravo 4V Plus Series Engines - 938-8M0115142