I installed the 3-3/4-inch tachometer that displays 0 to 8,000 rpm in 100-rpm increments because there is no way I'll spin the 4.3L V-6 anywhere near eight grand. (For you real racers, equus has a ...

A 2-inch-diameter boost gauge was chosen to go along with the 3-3/8-inch-diameter tach. We got our dash-mounted Shelby gauge pod from the Mustang parts experts at National Parts Depot.