01-06-2026, 11:38 AM

JLMounce

Ultimate Warrior

Join Date: Sep 2005

Location: Greeley, Colorado

Posts: 4,540

'69 Gauge Backing Plate

Does anybody happen to know the hole diameter for the backing plate used on the front of the gauges in a '69?

I'm wondering if a set of ring-back 3-3/8" SpeedHut gauges might slip into that backing plate without much fuss.

Kind of an odd ask, but if you have any information, that would be great.

Thanks!

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-Jason
1969 Pontiac Firebird

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