4 1 2 in I.D. Black Straight Silicone Coolant Hose 36 inches reducer 20" Overall Length 36" (3 20" Overall Length 36" (3 ft) Burst Pressure 270 psi Color Black Construction 5 Ply Silicone and application requirements before ordering 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 2 Burst PSI 62 I