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:
AE32361-E (for OEM piston)
AE32361-026 (for 12° VHM piston APKT08521707)
Use the insert chart as a general guideline to select the insert depending on the fuel, track and elevation.
More engine power
Better heat transference
More resistance to detonation
Exchangeable combustion chambers available
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
Kompresjonskammer til VHM-gulltopp.
This insert with 8.00cc volume is the VHM standard for KTM 85SX and is developed for the best overall performance. The combustion chamber fits the VHM cylinder head perfectly and is easy to change. The last numbers of the part number are engraved on the insert for indentification.
TIL OG MED 2024:
AE32281-E: Use in combination with VHM head AA33171
AE32281-013: Use in combination with VHM head AA33171 and VHM 12° piston APKT08521707
Best overall performance
Quick to adjust
Good resistance to detonation
AE32281-014: Use in combination with VHM head AA33171 and VHM 12° piston APKT08521707
More top
Best for hard ground/enduro
Good resistance to detonation
FRA OG MED 2025:
AE32361-E: Use in combination with VHM head AA33222
Best overall performance
Quick to adjust
Good resistance to detonation
AE32361-025: Use in combination with VHM head AA33222 and VHM 12° piston APKT08521707
More bottom power reaction
Best for deep sand tracks
Quick to adjust
AE32361-026: Use in combination with VHM head AA33222 and VHM 12° piston APKT08521707
Best overall performance
Quick to adjust
Good resistance to detonation
AE32361-027: Use in combination with VHM head AA33222 and VHM 12° piston APKT08521707
More top
Best for hard ground/enduro
Good resistance to detonation
NB: Innsatsen passer ikke originaltopp, kun VHM gulltopp
Reedkit til VForce4 passer til modellene under
Make
Model
Year
Yamaha
YZ65
18->
Yamaha
YZ85
18->
KTM
SX85
03->
KTM
SX105
03->
HUSQ
TC85
14->
GASGAS
MC85
21->
This 12° VHM piston is specially developed for a maximum performance gain. It must be used in combination with a VHM 12° insert and head. This piston is 100% CNC machined from high quality material and has a non-circular profile. They stand for high performance, longevity and keeping high performance during it's lifetime.
Use in combination with VHM insert AE32281-013 (2018 - 2026), AE32226-056 (2013 - 2017) or AE32087-112 (2004 - 2012) and complementary VHM head AA33171 (2018), AA33145 (2013 - 2017) or AA33068 (2004 - 2012).
High performance
Inside coating and special Z-clips
Longevity
Keeps high performance during lifetime
This piston needs a clearance of 0.05mm! Must be used in combination with a VHM 12° insert and head.
Map by VHM, units by GET. Specially developed to get the maximum performance with our VHM upgrade kit parts. Map 1, the VHM high performance map, is developed, tested and programmed by us in combination with VHM upgrade kit parts. We've improved the ignition curve for the best performance. You can also switch to map 2, the standard VHM map, switch is included with the CDI unit.
VHM map pre-installed
High power output
Plug & Play
Including map switch
High quality by GET
Map 1: VHM high performance, Map 2: VHM standard
Map by VHM, units by GET. Specially developed to get the maximum performance with our VHM upgrade kit parts. Map 1, the VHM map, is developed, tested and programmed by us in combination with VHM upgrade kit parts. We've improved the ignition curve for the best performance. You can also switch to map 2, the standard GET map, switch is included with the CDI unit.
VHM map pre-installed
High power output
Plug & Play
Including map switch
Including aluminium mounting plate
High quality by GET
Map 1: VHM, Map 2: Standard GET The aluminium mounting plate is included in the CDi box since 18-06-2019