Even
            though the cars are all 32+ years old and many states
            that have emission programs don't inspect the old cars,
            it may still be illegal to install solex carbs on your
            car. 
            
            Kits
            include all the parts necessary to convert your 2000 to
            Solex Carbs. The only other item in the original Nissan
            factory 150HP Solex Option is the larger
            oil pan.
            This
            option was available throughout the 2000's production
            although in the USA it could only legally be sold up to
            January 1, 1968. Even
            though the cars are all 32+ years old and many states
            that have emission programs don't inspect the old cars,
            it may still be illegal to install solex carbs on your
            car.