GPS and Outside Ambient Air Temp IRS It makes for a simple

It makes for a simple and easy install

This allows you to either enlarge the pilot hole with a step drill to use the stock CV plastic pin

(1) set of BP-10 Wilwood street compound pads

030" so it will fit the CV hub properly (part number and application below)

1/4 and 1/8 mile time

GPS and Outside Ambient Air Temp IRS It makes for a simpleThis is the add on module you need for both RTX and HDX series gauge clusters to have your speedometer controlled by GPS data. Some transmissions do not have a cable driven speed output. It also may be that if you are running a modern drive train that the speed cannot be pulled from the ECU or that data is not recorded to the ECU you are using. If any of that is the case this is the expansion you need. Not only will you get a nice accurate speedo, but