VHM Cylinder Heads
BURNING CHAMBER VOLUME: 5.55 cc
SQUEEZE EDGE DIMENSION: 0.75 mm
PISTON HEIGHT: +0.55 mm
PISTON BOTTOM TYPE: FLAT, 12°
BURNING CHAMBER VOLUME: 5.40 cc
SQUEEZE EDGE DIMENSION: 0.75 mm
PISTON HEIGHT: +0.55 mm
PISTON BOTTOM TYPE: FLAT, 12°
BURNING CHAMBER VOLUME: 5.25 cc
SQUEEZE EDGE DIMENSION: 0.75 mm
PISTON HEIGHT: +0.55 mm
PISTON BOTTOM TYPE: FLAT, 12°
SOLID CARBIDE BURNING CHAMBER FOR OPTIMAL OVERALL PERFORMANCE.
TYPE: BLIND
COMBUSTION CHAMBER VOLUME: 11.40 cc
SQUEEZE EDGE DIMENSION: 1.40 mm
PISTON HEIGHT: 2 mm
PISTON BOTTOM TYPE: DOMED
COMBUSTION CHAMBER VOLUME: 11.50 cc
SQUEEZE EDGE DIMENSION: 1.40 mm
PISTON HEIGHT: 2 mm
PISTON BOTTOM TYPE: DOMED
COMBUSTION CHAMBER VOLUME: 11.40 cc
SQUEEZE EDGE DIMENSION: 1.40 mm
PISTON HEIGHT: 2 mm
PISTON BOTTOM TYPE: DOMED
COMBUSTION CHAMBER VOLUME: 11.40 cc
SQUEEZE EDGE DIMENSION: 1.40 mm
PISTON HEIGHT: 2 mm
PISTON BOTTOM TYPE: DOMED
COMBUSTION CHAMBER VOLUME: 11.80 cc
SQUEEZE EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: -0.35 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
STANDARD SOLID CARBIDE COMBUSTION CHAMBER
COMBUSTION CHAMBER VOLUME: 12.00 cc
SQUEEZE EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: -0.35 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
IDEAL FOR DEEP-SAND AND/OR SHORTER TRACKS
COMBUSTION CHAMBER VOLUME: 10.8 cc
SQUEEZE EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
MORE TORQUE, MORE PEAK POWER
IDEAL FOR TOUGH AND/OR LONGER TRACKS
BURN CHAMBER VOLUME: 11.2 cc
SQUEEZE EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON BASE TYPE: FLAT BASE
BURNER CHAMBER VOLUME: 11.0 cc
SQUEEZE EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
IDEAL FOR DEEP, SANDY, AND/OR SHORTER TRACKS
BURN CHAMBER VOLUME: 17.20 ccm
SQUEEZE EDGE DIMENSION: 1.40 mm
PISTON HEIGHT: +1.50 mm
PISTON BOTTOM TYPE: DOME
MORE TORQUE, MORE PEAK POWER
IDEAL FOR TOUGH AND/OR LONGER ROUTES
BURN CHAMBER VOLUME: 18.00 cc
SQUEEZE EDGE DIMENSION: 1.40 mm
PISTON HEIGHT: +1.50 mm
PISTON TOP TYPE: DOME
BURNER CHAMBER VOLUME: 17.60 cc
SQUEEZE EDGE DIMENSION: 1.40 mm
PISTON HEIGHT: +1.50 mm
PISTON BOTTOM TYPE: DOMED
IDEAL FOR DEEP-SAND AND/OR SHORTER TRACKS
COMBUSTION CHAMBER VOLUME: 21.00 cc
SQUEEZE EDGE DIMENSION: 1.70 mm
PISTON HEIGHT: +3.60 mm
PISTON BOTTOM TYPE: DOME
MORE TORQUE, MORE PEAK POWER
IDEAL FOR TOUGH AND/OR LONGER TRACKS
BURN CHAMBER VOLUME: 22.00 cc
SQUEEZE EDGE DIMENSION: 1.70 mm
PISTON HEIGHT: +3.60 mm
PISTON BOTTOM TYPE: DOME
BURNER CHAMBER VOLUME: 21.50 cc
SQUEEZE EDGE DIMENSION: 1.70 mm
PISTON HEIGHT: +3.60 mm
PISTON BOTTOM TYPE: DOMED
IDEAL FOR DEEP, SANDY, AND/OR SHORTER TRACKS
BURN CHAMBER VOLUME: 27.50 ccm
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.50 mm
PISTON BOTTOM TYPE: DOME
IDEAL FOR DEEP-SAND AND/OR SHORTER TRACKS
COMBUSTION CHAMBER VOLUME: 27.50 cc
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
MORE TORQUE, MORE PEAK POWER
IDEAL FOR TOUGH AND/OR LONGER ROUTES
BURN CHAMBER VOLUME: 29.50 cc
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.50 mm
PISTON BOTTOM TYPE: DOME
MORE TORQUE, MORE PEAK POWER
IDEAL FOR TOUGH AND/OR LONGER ROUTES
BURNING CHAMBER VOLUME: 29.50 cc
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
BURNING CHAMBER VOLUME: 28.50 cc
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.50 mm
PISTON BOTTOM TYPE: DOMED
BURNER CHAMBER VOLUME: 28.50 ccm
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
COMBUSTION CHAMBER VOLUME: 27.00 ccm
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.10 mm
PISTON BOTTOM TYPE: DOME
STANDARD SOLID CARBIDE COMBUSTION CHAMBER FOR OPTIMAL OVERALL PERFORMANCE.
BURN CHAMBER VOLUME: 30.00 cc
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.10 mm
PISTON BOTTOM TYPE: DOME
BURNER CHAMBER VOLUME: 28.00 cc
SQUEEZE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.10 mm
PISTON BOTTOM TYPE: DOME
HIGH-COMP SOLID CARBIDE COMBUSTION CHAMBER FOR MORE TORQUE AT LOW RPM
IDEAL FOR DEEP, SANDY, AND/OR SHORTER TRACKS
BURN CHAMBER VOLUME: 20.20 ccm
SQUEEZE EDGE DIMENSION: 1.3 mm
PISTON HEIGHT: -0.3 mm
PISTON TYPE: FLAT BOTTOM
SOLID CARBIDE COMBUSTION CHAMBER FOR OPTIMAL OVERALL PERFORMANCE.
COMBUSTION CHAMBER VOLUME: 26.00 ccm
COMPRESSION EDGE DIMENSION: 1.90 mm
PISTON HEIGHT: 0 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
BURNER CHAMBER VOLUME: 27.5 cc
SQUEEZE EDGE DIMENSION: 1.90 mm
PISTON HEIGHT: 0 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
CHAMBER VOLUME: 10.80 cc
SQUEEZE EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.55 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
BURNER CHAMBER VOLUME: 11.80 cc
SQUEEZE EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: +0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
BURN CHAMBER VOLUME: 28.50 cc
SQUEEZE EDGE DIMENSION: 1.70 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT
BURN CHAMBER VOLUME: 11.80 cc
SQUEEZE EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
With this blind insert, you can machine the combustion chamber to your own specifications. This gives you the flexibility to experiment with your own ideas.
To be used only in combination with the DA31247 base gasket
BURN CHAMBER VOLUME: 24.00 cc
SQUEEZE EDGE DIMENSION: 1.70 mm
PISTON HEIGHT: +3.70 mm
PISTON BOTTOM TYPE: DOME
BURNER CHAMBER VOLUME: 22.20 cc
SQUEEZE EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: +3.70 mm
PISTON BOTTOM TYPE: DOME
BURNER CHAMBER VOLUME: 11.60 cc
SQUEEZE EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
VHM Cylinder Heads: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.





