Dash rubber isolator mounts
Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models
Thanks to Charlie Mullendore of Antietam Classic Cycle for sending me this information in a private e-mail. In Charlie's own words:
I sourced the civilian dual-gauge dash rubber isolators, McMaster-Carr part number 9225K63 for USD $1.49 each. Fit perfectly.