Well I shouldn´t be the one on this forum to answer questions about details like this.
But... this is what I think... if we know how Chrysler did think in terms of saving money and making it simple, knowing racers would do what they feel fit, a horn button and the polished rather than chrome horn ring seen on many BO and LO:s and seen in this picture, (also steering wheel) is what came with the car when delivered...
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