HPS 5" > 6" (127mm > 152mm) x 8" long high Temp 6-ply aramid reinforced silicone charge air cooler CAC hose hot side meet and exceed SAEJ20 industry standards, designed and engineered to provide a connection between engine mounted charge air system components. Ideal for handling slight misalignments and isolating vibration between hose ends; great for marine and industrial use, custom Turbo or intercooler piping fabrication. Technical specification: product Type: silicone charge air cooler CAC hose hot side. Temperature range:- 65 degree F to + 500 degree F (260 degree C). reinforced layer: 6-ply aramid. Hose inside diameter: 5" > 6" (127mm > 152mm). hose outside diameter: 5.43" > 6.42" (138mm - 163mm). hose Length: 8". number of Rings: 3. Wall thickness: 5.5mm. UV and ozone resistant. Remark: silicone hose is not compatible with fuel or oil.