KTM SXS12300100 250 SX to a 300 SX 300 Factory Big Bore kit

KTM  SXS12300100 250 SX to a 300 SX 300 Factory Big Bore kit

All the parts required for converting your 250 SX to a 300 SX for the open class. More information on the carburetor jetting can be obtained from your authorized dealer.