Tusk High Pressure Radiator Cap 1.6 - Fits: Arctic Cat 1000 TRV Cruiser 2012 Higher pressure radiator cap increases the boiling point of your coolant to reduce boil over problems on your motorcycle or ATV. Perfect for 4-stroke and 2-stroke motorcycles, ATV's, and UTV's. Raises the boiling point by 25 degrees when going from a stock 1.1 kg/cm2 (15.7 psi) radiator cap to the Tusk 1.6 kg/cm2 (22.8 psi) radiator cap.