VHM Cylinder Heads
SQUARE RING CLEARANCE: 1.00 mm
PISTON HEIGHT: -0.70 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 11.00 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +2.25 mm
PISTON BOTTOM TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 10.60 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.70 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
MORE TORQUE, MORE PEAK PERFORMANCE
IDEAL FOR TOUGH AND/OR LONGER RIDES
BURNER CHAMBER VOLUME: 10.80 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +2.10 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 10.60 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +2.10 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +2.25 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 10.80 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.70 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
BURN CHAMBER VOLUME: 11.80 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.45 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
LOW-COMP VHM COMBUSTION CHAMBER FOR MORE POWER IN THE UPPER RANGE
MORE TORQUE, MORE PEAK PERFORMANCE
IDEAL FOR TOUGH AND/OR LONG TRIPS
BURNER CHAMBER VOLUME: 21.00 cc
SQUASH EDGE DIMENSION: 1.30 mm
PISTON HEIGHT: -0.3 mm
PISTON BOTTOM TYPE: ROLLED
COMBUSTION CHAMBER VOLUME: 22.20 cc
SQUASH EDGE DIMENSION: 1.50 mm
PISTON HEIGHT: +3.25 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 48.00 cc
SQUASH EDGE DIMENSION: 2.50 mm
PISTON HEIGHT: +6.20 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.50 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
BURN CHAMBER VOLUME: 11.80 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +1.80 mm
PISTON BOTTOM TYPE: DOME
BURN CHAMBER VOLUME: 11.60 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +1.80 mm
PISTON BOTTOM TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 20.20 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: +2.85 mm
PISTON TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
COMBUSTION CHAMBER VOLUME: 20.20 cc
SQUASH EDGE DIMENSION: 1.50 mm
PISTON HEIGHT: +3.00 mm
PISTON TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 20.20 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: +2.85 mm
PISTON TYPE: DOME
COMBUSTION CHAMBER VOLUME: 21.00 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: +2.85 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 20.60 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: +2.85 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 20.60 cc
SQUASH EDGE DIMENSION: 1.50 mm
PISTON HEIGHT: +3.00 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 43.00 cc
SQUASH EDGE DIMENSION: 2.00 mm
PISTON HEIGHT: 0.75 mm
PISTON BOTTOM TYPE: DOME
BURNER CHAMBER VOLUME: 8.00 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: +1.70 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +1.90 mm
PISTON BOTTOM TYPE: DOME
BURN CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: -0.50 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
COMBUSTION CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +2.10 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.50 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
COMBUSTION CHAMBER VOLUME: 21.00 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: Flat bottom 4�
COMBUSTION CHAMBER VOLUME: 24.00 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT PISTON 4�
COMBUSTION CHAMBER VOLUME: 23.00 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT PISTON 4�
IDEAL FOR DEEP SANDY AND/OR SMALLER TRACKS
BURNER CHAMBER VOLUME: 22.20 cc
SQUASH EDGE DIMENSION: 1.50 mm
PISTON HEIGHT: +3.00 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 22.60 cc
SQUASH EDGE DIMENSION: 1.50 mm
PISTON HEIGHT: +3.00 mm
PISTON BOTTOM TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT TRACKS
BURNER CHAMBER VOLUME: 8.00 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: 1.40 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 8.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: +1.40 mm
PISTON BOTTOM TYPE: DOME
BURNER CHAMBER VOLUME: 8.00 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: -0.80 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 28.00 cc
SQUASH EDGE DIMENSION: 1.75 mm
PISTON HEIGHT: -0.80 mm
PISTON BOTTOM TYPE: DOME
BURN CHAMBER VOLUME: 20.60 cc
SQUASH EDGE DIMENSION: 1.30 mm
PISTON HEIGHT: -0.40 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 28.00 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: -0.60 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 29.00 cc
SQUASH EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: -0.50 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 28.00 cc
SQUASH EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: -0.50 mm
PISTON BOTTOM TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
COMBUSTION CHAMBER VOLUME: 27.00 cc
SQUASH EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: -0.50 mm
PISTON BOTTOM TYPE: DOME
BURN CHAMBER VOLUME: 20.60 cc
SQUASH EDGE DIMENSION: 1.30 mm
PISTON HEIGHT: -0.40 mm
PISTON BOTTOM TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 11.00 cc
SQUARE EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: 1.85 mm
PISTON TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 10.80 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 10.80 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON TYPE: 12� FLAT BOTTOM
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 11.00 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: 1.85 mm
PISTON TYPE: DOME
MORE TORQUE, MORE PEAK PERFORMANCE
IDEAL FOR TOUGH AND/OR LONG TRIPS
BURN CHAMBER VOLUME: 11.60 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
MORE TORQUE, MORE PEAK PERFORMANCE
IDEAL FOR TOUGH AND/OR LONGER RIDES
BURN CHAMBER VOLUME: 11.80 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
BURNER CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: 1.85 mm
PISTON TYPE: DOME
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 11.00 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON TYPE: 12� FLAT BOTTOM
VHM Cylinder Heads: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.





