Description: 100% brand new and high quality,Durable. High Quality Materials and High Quality Product Direct pricing by the factory, no price increase by the middleman Limited life guarantee for workmanship and defects No Installation Guide or Instruction Included Professional Installation is Highly Recommended Working temperature: -65F ~ 500F degrees Working Pressure: 0.3 to 0.9Mpa Bursting Pressure: 245 PSI Thickness: 4.5mm, 3 ply Size tolerance: +/-0.5mm High quality silicone hose kit Package Includes: Silicone Radiator Hose Kit ( 3pcs, Upper & Lower & Bypass Hoses ) ( If not shown in the photo, it is not included. ) Note: All of the items in our shop will come to you with the tracking number If any question, pls contact us on eBay freely, we’ll reply you in 2 business day.