KTM/Husqvarna 450 SX-F Piston Gr. II (Size B) - 79430107100 II

This is an OEM piston for KTM and Husqvarna 450 motorcycles. It serves as a direct replacement in the crankshaft and piston assembly, ensuring reliable engine performance and compression. The Gr. II (Size B) designation indicates the specific size grade for precise fitment.

Compatible with 2020-2012 KTM 450 SX-F (EU/US), 450 SX-F Factory Edition, 450 SX-F Cairoli/Herlungs Replica, 450 XC-F, 450 SMR; Husqvarna FC 450 (EU/US/HQV), FC 450 Rockstar Edition, FS 450, FX 450 models. Covers all listed variants from 2014-2020 fully, and select 2012-2013 models including Factory Editions.

Crafted to OEM specifications for durability under high-performance motocross and enduro conditions. Provides optimal piston-to-cylinder clearance for Size B graded engines.

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