3-PLY HIGH TEMP SILICONE RADIATOR COOLANT HOSE 91-01 JEEP CHEROKEE XJ 4.0L 6CYL BLUE Made with high quality silicone and 3-ply nylon for enhanced strength and durability. Increases engine performance and efficiency with high temperature (up to 330 Degrees Fahrenheit) and high boost application. 1 x Hose Inlet/ Outlet Inner Diameter: 1.25"/ 1.25";1 x Hoses Inlet/ Outlet Inner Diameter: 1.50"/ 1.50" Hose Thickness (Approximate, Varies due to Bending): 3-Ply/ 4.00mm Size (Diameter) Tolerance: +/- 0.225" Application: 91-01 Jeep Cherokee XJ 6Cyl (Fits XJ Models with 4.0L AMC 242 Cu.In. l6 OHV Engines ONLY). Modification (Cut) might be Required for Some Vehicles