KTM SXS17300000 250 SX to a 300 SX 300 Factory Big Bore kit

KTM SXS17300000 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. No need for the jets to be changed on the 250 SX carburetor.