CV4 High Pressure Radiator Cap 2.0 Bar - Fits: KTM 505 SX-F 2007-2008 Perfect for 4-stroke and 2-stroke motorcycles, ATVs, and UTVs. Universal fit for most machines with OEM or aftermarket radiators. 20 PSI is equal to 1.4 bar. 30 PSI is equal to 2.0 bar.