2.75in I.D. Oxide Red High Temp NOMEX Tubing 3 Foot Stick Dual Speed Sensor Kit Replace the o ring and gasket Replace the o ring and gasket at install and confirm 90–120 psi clean air supply at the valve Western Star 4900 5900 with CAT engines OEM Heavy Duty Vehicle Requirements High Temperature Option Available with Meta Aramid Fabric Reinforcement for Extreme High Temperature (Upon Request) Liner Options Available with Fluorosilicone or Fluorocarbon Liner (Petroleum & Chemical Applications) Vacuum Resistance Available with Helical Wire Reinforcement for Vacuum Resistance Temperature Range 65°F to 350°F Continuous Colors Blue or Black Leg Length 10” Long Legs From Center of the Bend Measurement Leg Lengths Are Measured From The Centerline of the Hose RP 303B Class 1