Protec Fuel Systems OE Quick Connect Adaptors enable JIC fittings to be attached to OEM fuel lines/rails, in tight spaces with extra confidence.The compact size fits onto O.E barbs with as little as 6mm clearanceIdeal for modern engine swaps in older cars or for converting factory fuel system to return-style systemsMade from 6061 T6 aircraft grade aluminium, the adaptor has a double O ring seal and slotted threaded end piece, reducing the necessary clearance and aiding assembly by aligning the threads. Pressure tested to 50 bar, the Viton O ring seal ensures compatibility with modern ethanol fuels.Suiting most popular domestic applications including GM and Ford, as well as many popular import applications - the sizes available being 5/16" female quick connect to -6 JIC or 3/8" female quick connect to -8 JICThese simple quick connect adaptors make upgrading your OEM fuel lines to AN style hose simple and easy.