Piston "HC - High Compression"
Set of 2, with special design for right and left side
compression ratio 12,5 : 1
New smaller pistonrings for less friction losses and less oil consumption
much better burning, more torque + power, better mileage 
No pinging with 91 octane gas through the better burning chamber
No more pushing and jerking, super smooth running
Best investment you can do to your R
99 mm (1100 cc), for cams BBPower  "Universal", with pistonrings
99 mm (1100 cc), for cams "High Lift" and or bigger valve diameters, with pistonrings
101 mm (1150 cc) for cams BBPower  "Universal", pistonrings included
101 mm (1150 cc) for standard valves, for cams "High Lift" and or bigger valve diameters, pistonrings included
101 mm short R1200C standard valves, cams "Universal"
101 mm short R1200C standard valves, for cams "High Lift" and or bigger valve diameters, pistonrings included
All pistons are deliverable alternatively also for engines with double ignition
Please indicating at order

 
 
 
 
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