OEM KTM 300cc Factory Big Bore Cylinder Kit 2023-24 250 SX XC TC MC A4503090504

  

OEM KTM 300cc Factory Cylinder Kit. All required parts for converting your 250 to a 300 Motocross.

Requires mapping file of 300 injection engine. If you have a po box, please provide BOTH the po box and physical street address (TIP: use second line of address, below the line with the physical address, and change po box to POB xxxx).

Some items may have a slightly different appearance than what is shown in the picture. Please review the entire description to verify proper fitment. We can not mark items as "gifts" or change the value.