3-PLY HIGH TEMP SILICONE RADIATOR HOSE 91-96 CHEVY CORVETTE 5.7L L98/LT1 V8 RED 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: 1.375"/ 1.250"; 1 x Hoses Inlet/ Outlet Inner Diameter: 1.250"/ 1.250" Hose Thickness (Approximate, Varies due to Bending): 3-Ply/ 4.00mm Size (Diameter) Tolerance: +/- 0.225" Application: 91-96 Chevy Corvette V8 MT (Fits Manual Transmission Models with 5.7L 305Cu. In. L98/ LT1 V8 Engines Only). Modifications may be required for some vehicles.