Pn# -SOAF2001- STAINLESS STEELFull Length Fuel Lines, Return lines & Vapor Lines:The full-length Main, Fuel Line, Fuel Return Line and after 1970 The Fuel Vapor Line run the fuel length of the car or truck. The main and fuel line often run together with the main fuel line being 3/8” in most cases and the return ¼” or 5/16” on fuel injected cars. There are some cases from 1958-69 were the fuel line is 5/16” there are also smaller size return lines of ¼” and 3/16”. So, check you lines before ordering. An open-end wrench can be used to check the size. It will fit snug over the dia of the line. Fuel vapor lines are typically 5/16” but can be ¼” in rare cases. It is important to know what line the Main, Return, and vapor.
