Kits include: 1* Upper hose, 1* Lower hose, 1* Heater to pipe 1, 1* Engine to heater, 1* Oil cooler return pipe, 1* Hose to oil cooler; Working temperature: -60 ~ 260 degree, Working Pressure: 0.3 to 0.9Mpa, Bursting Pressure: 2Mpa, Size tolerance: +/-0.5mm