POLLAK® MOTOR-DRIVEN FUEL TANK SELECTOR VALVE For fuel-injected systems operating up to 65 psi. Designed to prevent returning fuel to incorrect tank. Weatherproof fiberglass-reinforced nylon valve body. Valve grounds to frame. Meets or exceeds DOT standards. Fits 3/8" I.D. fuel hose. Recommended fuse: 10 amps. Can be wired so original dash gauge indicates fuel level in either tank. Includes: switch, faceplate, wiring connector, instructions. Hoses not included-order separately. 6-port valve required on vehicles with 3 lines attached to fuel pump. For 12-volt systems.