Do you need to plug some open fittings or lines? How about some unused or open ports? Earl’s Performance carries an extensive line of plugs to perform every job properly. They are available in plastic and aluminum, hex-head and Allen-head, a variety of shapes, sizes, and thread types–including AN, AN O-ring sealing, and pipe threads. Whatever your vehicle, having an assortment of plugs in your tool chest can be invaluable when you’re In the middle of a project.