Upgr8 U8919-6-04 High Performance 4-ply Radiator and Heater Silicone Hose Kit (Black) (No Fit EJ255 Engine) Applications: 08-12 Subaru Impreza WRX STI GRB/GH EJ25 Engine. 09-12 Subaru Forester SH5 EJ25 Engine. 03-09 Subaru Legacy BL5/BP5 EJ25 Engine. Min temperature: -60 C/-140 F. Max temperature: 220 C/428 F. work pressure: 0.3 to 0.9 MPA. Bursting Pressure: 2MPA. Thickness: 5MM. Size tolerance: +/- 0.5MM.