Any Questions please call. 1 x 31800.063 – Redline / Malpassi Fuel Pressure Regulator for with 5/16 fuel line ports. Comes with mounting bracket and hardware. Adjustable to 1.5 – 20 lbs and still retains great fuel flow – other regulators will cut the fuel pressure but the fuel flow will be cut so low it effects top end performance – For a Weber 3-4 lb of pressure is recommended. Merchandise is returnable within 14 days. Must be in original packaging, uninstalled and in resellable condition. International Buyers – Please Note. The free listing tool. Listing and template services provided by inkFrog.