High Pressure Radiator Cap 1.8 BAR 26 PSI BLACK - Japanese off-road Motorcycles and ATVs - HONDAS, KAWASAKIS, SUZUKIS, YAMAHAS 1.8 bar (kg/cm^2) or 26psi high pressure radiator cap This radiator cap raises the cooling system's maximum pressure to reduce boil over problems on your motorcycle or ATV Raises boiling point +30 to +33 degrees* Fahrenheit from a stock 1.1k (15.9 psi) radiator cap Raises pressure 10.2 psi over the stock 15.9 psi (1.1k) cap Perfect for Japanese 4-stroke and 2-stroke motorcycles, ATVs, and UTVs