These Aeromotive A1000 Mustang stealth kits feature a single A1000 fuel pump capable of supporting big horsepower. They are designed to drop right into your factory gas tank. The kits incorporate the factory jet siphon system and include an integral 100 micron pre-pump filter and an ORB-08AN return line port. Now, you can plumb a true return-style system into your Mustang to support the power you're making. The Aeromotive A1000 Mustang Stealth kits utilize the factory tank, O-ring, lock ring, and mounting location.