4.00in x 5in I.D. Blue 90 Degree Silcone Reducer SteerKing 66 in maximum outside diameter 66 in maximum outside diameter The Q21 1055 1 100 CECU was used on Kenworth and Peterbilt trucks in the 2007–2010 CECU platform window 22 Burst PSI 62 I 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