The world famous golden VHM head with exchangeable combustion chamber is specially developed for optimal power output during the whole race and has an improved water duct. It's manufactured from a high quality alloy and O-rings are used for the sealing.

Use VHM standard insert:
AE32281-E (for OEM piston)
AE32281-013 (for 12° VHM piston APKT08521707)

  • More engine power
  • Better heat transference
  • More resistance to detonation
  • Exchangeable combustion chambers available

Inserts must be ordered seperately, see complementary parts below.


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