dual point distrubutor ??

I have a dual pt. dist. that came off of a 273 Hi Po motor that I'm going to be selling.The numbers on it are 2642461 1 BS 4013 AS 415.Can't find any thing to tell me this is a correct dist. for a Hi Po 273(if there is even a difference from 2 bbl. to 4 bbl.) engine.Thanks in advance
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