Valve Spring Kit 450 OEM for KTM SX-F, Husqvarna FC 450, GASGAS - 78936029144

This is an OEM valve spring kit for 450cc engines, designed to ensure reliable valve operation under high-performance conditions. It replaces the stock valve springs in the valve drive assembly, maintaining precise timing and preventing valve float at high RPMs.

Compatible with a wide range of KTM, Husqvarna, and GASGAS 450 models including: KTM 450 SX-F (2012-2018), 450 XC-F (2013-2018), 450 SMR (2013-2014), 450 Rally Factory Replica/Replica (2015-2026); Husqvarna FC 450 (2014-2018), FS 450 (2015-2018), FX 450 (2017-2018), FR 450 Rally (2017-2025); GASGAS RX 450F Replica (2023-2025). Covers both EU and US variants where applicable, plus special editions like Factory Edition and Sanders Edition.

These genuine OEM springs are engineered for durability and consistent performance in motocross, enduro, and rally applications. They provide the necessary tension for optimal engine breathing and power delivery.

Installation requires removing the cylinder head; professional tools recommended for proper spring compression and seating. Always follow service manual torque specs.

Check compatibility list below to see if this part fits your motorcycle model.