Add a new dimension of style to your ride with carbon fiber mechanical gauges. Crisp aluminum bezel surrounds actual carbon fiber face with attractive yellow accents. Durable bourdon tube gauge mechanism ensures unsurpassed accuracy and smooth pointer movement in the heat of racing. May be installed inside vehicle by mounting isolator in engine compartment. Includes 4 foot braided hose connecting isolator to gauge. Requires braided stainless steel line to connect isolator to fuel source.