Powervalve Base – KTM 65 SX (2009‑2025) / Husqvarna TC65 (2017‑2025) / GASGAS MC65 (2021‑2025)

The VHM DA31181 powervalve base is a high‑performance component designed specifically for the KTM 65 SX (2009‑2025), Husqvarna TC65 (2017‑2025) and GASGAS MC65 (2021‑2025). Crafted from billet aluminium, this base replaces the standard machined part, offering a stronger centre base that improves support and guidance of the powervalve system for optimal functionality in all conditions. Whether you run a stock rebuild, performance upgrade or race build, the DA31181 ensures that the powervalve operates smoothly and reliably, avoiding failures or mis‑alignment under demanding use. Designed to pair with the VHM cylinder head (AA33112) or compatible OEM heads, this base offers longevity, precision fitment and compatibility for race‑ready 65 cc engines. 

• Complete powervalve base engineered from solid billet for enhanced strength and durability. 

• Designed for KTM 65 SX (2009‑2025), Husqvarna TC65 (2017‑2025) and GASGAS MC65 (2021‑2025) – wide model coverage. 

• Provides better support and guidance of the powervalve, ensuring correct function under heavy loads. 

• Fits both VHM cylinder head (AA33112) and OEM heads — offering flexibility in rebuilds and upgrades. 

• Ideal for high‑performance, racing and competitive use where component reliability and precision are critical.