OEM Piston Gr. II (Size B) for KTM 450 SX-F, Husqvarna FC 450 - A48030007100 II

This is an OEM piston Gr. II (Size B) for 450cc MX engines. It serves as a direct replacement for the stock piston in the crankshaft and piston assembly, ensuring reliable performance and precise fitment.

Compatible with 2026-2022 KTM 450 SMR (EU), 450 SX-F (EU, US, BR, CKD), 450 SX-F Factory Edition (US), 450 XC-F (US); Husqvarna FC 450 (EU, US), FC 450 Factory/Rockstar/Heritage Edition (US, EU), FS 450 (EU), FX 450 (EU, US, BT); GASGAS MC 450F, MC 450F Factory/Prado Edition (US, EU), EX 450F (US).

Crafted to OEM specifications for durability and optimal compression in high-performance motocross applications. Ideal for engine rebuilds requiring Gr. II sizing.

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