B Series Tucked Fuel Line Kit For Acura Del Sol Feed Return Line B16 B18 B20 USAB Series Tucked Fuel Line Kit For Honda Civic Integra Feed Return Line EG EK CRX This kit Includes a Feed line with an Inline Filter and a Return line. We do not cut corners with our kits. Each kit comes with two hardline adapters for proper seal for both feed and return lines. All fittings are anodized 6061 aluminum. Designed for maximum flow rates. ***Return Line is designed for the OEM Fuel pressure regulator or rail mounted regulators only.***