VHM Cylinder Heads
BURNER CHAMBER VOLUME: 11.0 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
MORE TORQUE, MORE PEAK PERFORMANCE
IDEAL FOR TOUGH AND/OR LONGER RIDES
BURNER CHAMBER VOLUME: 11.2 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
BURN CHAMBER VOLUME: 11.60 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
COMBUSTION CHAMBER VOLUME: 27.00 cc
SQUARE EDGE DIMENSION: 1.75 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
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 11.80 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
COMBUSTION CHAMBER VOLUME: 27.50 cc
SQUASH EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
COMBUSTION CHAMBER VOLUME: 28.50 cc
SQUARE EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
MORE TORQUE, MORE PEAK PERFORMANCE
IDEAL FOR TOUGH AND/OR LONGER RIDES
COMBUSTION CHAMBER VOLUME: 29.50 cc
SQUASH EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
COMBUSTION CHAMBER VOLUME: 43.00 cc
SQUASH EDGE DIMENSION: 2.00 mm
PISTON HEIGHT: 0.75 mm
PISTON BOTTOM TYPE: DOME
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: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON TYPE: 12� FLAT BOTTOM
BURNER CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON TYPE: 12� FLAT BOTTOM
BURNER CHAMBER VOLUME: 11.40 cc
SQUASH EDGE DIMENSION: 1.00 mm
PISTON HEIGHT: -0.10 mm
PISTON TYPE: 12� FLAT BOTTOM
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: 27.00 cc
SQUASH EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.10 mm
PISTON BOTTOM TYPE: DOME
COMBUSTION CHAMBER VOLUME: 28.00 cc
SQUASH EDGE DIMENSION: 1.80 mm
PISTON HEIGHT: +3.10 mm
PISTON BOTTOM TYPE: DOME
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: 23.00 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT PISTON 4�
COMBUSTION CHAMBER VOLUME: 24.00 cc
SQUASH EDGE DIMENSION: 1.60 mm
PISTON HEIGHT: 0.00 mm
PISTON BOTTOM TYPE: FLAT PISTON 4�
BURN CHAMBER VOLUME: 11.00 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: +0.0 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
SQUARE RATIO: 0.90 mm
PISTON HEIGHT: 0 mm
PISTON TYPE: 12� FLAT BOTTOM
SQUARE RATIO: 0.90 mm
PISTON HEIGHT: 0 mm
PISTON TYPE: 12� FLAT BOTTOM
SQUARE RING CLEARANCE: 0.90 mm
PISTON HEIGHT: 0 mm
PISTON TYPE: 12� FLAT BOTTOM
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: FLAT BOTTOM
COMBUSTION CHAMBER VOLUME: 11.00 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: +0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
STANDARD VHM COMBUSTION CHAMBER FOR OPTIMAL OVERALL PERFORMANCE.
BURNER CHAMBER VOLUME: 11.20 cc
SQUASH EDGE DIMENSION: 0.90 mm
PISTON HEIGHT: +0.00 mm
PISTON BOTTOM TYPE: FLAT BOTTOM
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 21.00 cc
SQUASH EDGE DIMENSION: 1.6 mm
PISTON HEIGHT: +0.5 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
USE MIN. RON110 FUEL
IDEAL FOR DEEP SAND AND/OR SHORT DISTANCES
BURNER CHAMBER VOLUME: 21.40 cc
SQUASH EDGE DIMENSION: 1.6 mm
PISTON HEIGHT: +0.5 mm
PISTON BOTTOM TYPE: 12� FLAT BOTTOM
USE MIN. RON105 FUEL
VHM Cylinder Heads: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.





