Description ORB-10 inlet and outlet ports. For EFI applications use regulator P/N 13101 or P/N 13303. For carbureted applications use regulator P/N 13204 or P/N 13304. Fully submersible for custom, in-tank placement. Perfect for ‘blow-through’ carbureted engines up to 1200 HP. Billet Speed Pump Controller P/N 16306 recommended for EFI street applications. Need some instalation help!