Get your semi truck Ready for the Road Ahead with enhanced engine performance, with the Velvac 1/2" FPT Return Fuel Flow Splitter. Thanks to its advanced design, this replacement splitter is able to distribute fuel from the engine back to the fuel tank to maintain a balanced pressure throughout a system. Fashioned with a convenient tee configuration for easy plumbing to each tank. FleetPride is your First Click in Heavy Duty .