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Old 04-18-2019, 11:21 AM   #4
ray_mcavoy
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Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,350
Re: List of Radios that fit 6.25 knob spacing.

In general, the 6-1/4" knob spacing was most common in GM vehicles throughout the 1960's. There were some exceptions (like Corvettes & Cadillacs for example) that had their own application specific radios though.

The 6-1/4" knob spacing continued up until 1972, at which point many GM vehicles changed to a narrower 5-3/4" knob spacing. There might be others, but the only ones I'm aware of that continued with the 6-1/4" spacing beyond 1972 would be Camaro & Nova (through 1976) and I think vans up into the 80's.

The rectangular center faceplate section of GM radios with 6-1/4" knob spacing is most commonly 4-1/2" wide. But the height varies.
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