FREE SHIPPING ON ORDER'S OVER $50.00 (US only)
KTM 55730905044 250sx to 300sx Factory Engine Top End Cylinder kit
KTM 55730905044 250sx to 300sx Factory Engine Top End Cylinder kit

KTM 55730905044 250sx to 300sx Factory Engine Top End Cylinder kit

Sold out
$1,039.99
Shipping calculated at checkout.

KTM 55730905044 250sx to 300sx Factory Engine Top End Cylinder kit

300 Factory 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.
250 SX 2020 2020 US
250 SX 2019 2019 US
Back to Engine Performance