Mercruiser Cylinder Heads

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      • Sierra 18-4491 Cylinder Head Assembly
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        Sierra 18-4491 Cylinder Head Assembly

        $858.49

        Cylinder Head Assembly for 4.3L Vortec Additional Details: Intake Manifold Mounting Bolts: 8 8 Valves Cover: Center Mount Note: Not for use with engines using factory roller rocker arms Replaces: 4.3L Vortec...

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