Athena Middle Gasket Set for KTM EXC 250/300 2017-2020 & SX 250 2019-2020 & Husqvarna TC 250 2017-2020 & TE 250/300 2017-2020

The Athena middle gasket is an essential replacement part for cylinder block overhauls of popular 2017–2020 KTM and Husqvarna two-valve models. Designed to provide an accurate seal during engine overhauls, this part delivers durable performance and reliability.

• Application: Fits KTM EXC 250/300 (2017–2020), SX 250 (2019–2020), and Husqvarna TC 250 (2017–2020), TE 250/300 (2017–2020).
• Part: Middle gasket for cylinder block overhauls.
• Brand: Athena, a specialist in high-quality engine gaskets and overhaul parts.
• Fit: Precision-machined gasket with strict tolerances for a reliable seal during engine rebuilds.
• OEM Number: JU-S410270007033 (a widely used reference for exact fitment).
• Condition: New, ready for installation.

This middle gasket plays a critical role in maintaining compression and oil control following an engine overhaul. Its precise fit prevents leakage between the engine block and cylinder, delivering consistent performance and reducing the risk of recurring damage. Ideal for experienced mechanics and DIY enthusiasts who prioritize quality and reliable sealing during a cylinder block overhaul without relying on guesswork.