Moved your post here so it gets better visibility.

Can't find a place called "Speedometer Shop" but here's a business near Riverside that appears to be a speedo repair shop. Found using Google Maps.

All GM Speedometer Repair
993 W Valley Blvd #204
Bloomington, CA 92316
Phone: (951) 536-7862

Last edited by klhansen; 11/15/2023 2:36 AM.
Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.