- New
VHM Cylinder Head Insert for KTM SX 105 2025-2026
€90.90
Tax Included
The machined insert that forms the combustion chamber in a two-piece head: it sets the engine’s compression.
VHM offers this cylinder head insert for KTM SX 105 2025-2026. On a two-piece head, the insert (the "dome") forms the combustion chamber. Its volume and shape set the compression and the character of the engine.
Why change the insert?
The benefits:
- Match the compression to your riding and your fuel without replacing the whole head.
- A part machined from solid, to precise dimensions.
- Replace an insert marked or damaged by detonation.
When should you change the insert?
Signs of detonation, leaking O-rings or the wish to change the compression: the insert can be swapped in minutes, with new O-rings.
Specifications and fitting tips
- Manufacturer part number: AE32363-026
Cross-Mania tip: Fit new O-rings, tighten in a cross pattern to the specified torque and, with a higher-compression insert, use high-octane fuel.
Spare parts and items to plan
- VHM head O-rings : ATHENA
- Spark plug : NGK
- Coolant : LIQUI MOLY 1 L · TWIN AIR
Compatibility
Check the exact model and year of your bike in the list below before ordering.
Click on your bike to see all compatible parts.
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The machined insert that forms the combustion chamber in a two-piece head: it sets the engine’s compression.
VHM Cylinder Head Insert for KTM SX 105 2025-2026
€90.90
Tax Included