Add extra braided leader lines for rears or as reliable spares. Upgrade or expand your air suspension setup with a pair of ONAIR’s Stainless Steel Braided Leader Lines. Designed with a 1/8” NPT male to 1/4” NPT female fitting, these lines are the same high-quality ones included with our air struts—perfect for adding rear connections or creating a cleaner, more flexible install. Durable, pressure-tested, and built to handle the demands of your ride.