The suction line connects to the factory suction fitting on top of the fuel module. The pressure side connects to the factory injection pump feed line on the frame. These pumps are internally regulated and do not require a return line.This is a 100GPH (Gallon Per Hour) fuel system for stock fuel trucks. Check out our installation manual for a list of parts that are included with this kit. Autopartstoys was founded by Bruce Cutler the former president of a large auto parts wholesaler, and exporter. Autopartstoys was developed to offer you the consumer a pleasant place to shop online, offer great products at factory direct pricing, we know how hard it can be to shop online and have a frustrating experience, we offer an easy to navigate user-friendly experience for you the consumer. Our Goal is to make shopping at autopartstoys a pleasurable shopping experience. If you find that you made a mistake, or simply changed your mind, you may return your parts as long as you get them back to us within 30 days of receiving your order. They need to be in new and unused condition in the original packaging. We will issue a return authorization number and return call tag at no charge. Any part that was used or installed on your vehicle is non-returnable. If we make a mistake, please make sure you include a note with your return describing the error. And must be in the original box. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Air & Fuel Delivery\Fuel Pumps & Sending Units". The seller is "autopartstoys" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Taiwan, South Africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Republic of Croatia, Malaysia, Brazil, Chile, Colombia, Costa Rica, Panama, Trinidad and Tobago, Guatemala, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam.