Well there you go!
https://spiyda.com/instrument-voltag...lizer-kit.html
For the 5 volt option it will be really important to mount the voltage regulator on a good heat sink. When the tank is full the sensor resistance is 10 ohms which means a sensor current of about 5volts/10 ohms = 0.5 amps. If your charging system is up to snuff the running voltage will be about 14 volts. That means that the voltage regulator has a voltage drop of 14 - 5 = 9 volts. The power dissipated by a linear voltage regulator will be 9V x 0.5A = 4.5 watts which in a tiny package means that it will be getting very hot.
You might want to try this thing instead
https://www.amazon.ca/Converter-Ajus...37512675&psc=1
It is a class of device known as a buck regulator. The only down-side is that it has an adjustable output so you will need a voltmeter to set the output to 5 volts. It is claimed that it can supply up to 3 amps so it should be able to supply the fuel and temp gauge circuits easily. Its up side is that it has a very high efficiency so heat dissipation should be less of an issue and its small enough that you could probably attach it to the existing stabilizer mounting board and use the existing mounting point. Plus, you get two of them for less than the cost of one of the Spiyda linear regulators.
Here is exactly the same thing on same for the cost of a package of chewing gum
https://www.amazon.ca/Lysignal-LM259.../dp/B074J4NXCM