Truck Valve Extensions
? HE-370 Series - Lightweight Extensions have theshort collar for use on tube-type valves or tubeless lightweight valves. Has adouble seal feature to assure positive seal
? HE-390 Series - Lightweight Extensions are thesame as the HE-370 series except with a long collar
? HE-380 Series - Standard Style Extensions screwon the standard valve stem (.305-32 cap thread) and make valve mouth accessible
? Extensions &?stabilizers available for Alcoawheels