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These quick connect fittings are perfect for adapting to LS Feed and Return line fittings on either the intake with built in regulator or the adapt to the corvette style LSx engine regulator.
These fittings feature a screw on end cap for a secure installation that prevents the fitting from coming loose of the quick connection.
On LS intakes the feed is 3/8 and return is 5/16.
On the corvette style regulator the feed is 3/8 and return is 5/16.
Use the 5/16 quick connect to AN8 fitting for adapting a return style LS system to a higher flow fuel system install.
Works with Hot Rod fuel hose AN sized fittings.