− Decrease quantity for Gauge Set; American Muscle; Quad Gauge/Tach/Speedo Kit; 5 in.;100 psi Oil;100-250 Deg. Wtr Tmp.;8-18 V;240 Ohm Quantity + Increase quantity for Gauge Set; American Muscle; Quad Gauge/Tach/Speedo Kit; 5 in.;100 psi Oil;100-250 Deg. Wtr Tmp.;8-18 V;240 Ohm Add to cart