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Speedometer gauge size

jammont

Donation Time
Hello
I was wondering if anyone knew what size the speedometer gauge is in a sunbeam alpine?
I am looking at replacing with a GPS speedometer but do not have the car near me to measure.
Could one of you gentleman please help me out?
 

Barry

Diamond Level Sponsor
Both the speedometer and tachometer are 4".

Depending on the specific gauges, you may need to very slightly enlarge the holes in the Alpine dash (5 minutes with a grinder mounted in a drill) to get a good fit.
 
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