Increase your 26cc to a 27.2cc / 29cc to 30.5cc
2mm stuffer stroker crank - increases the cc's of your motor.
30mm stroke is 2mm longer than stock 28mm stroke for most RC-style motors.
Built in stuffer reduces crankcase volume, increasing primary compression.
Be sure to check your squish clearance after installing this crankshaft to prevent engine damage.
This does not work with Zenoah G320/340 or Rovan 32/36cc
You will likely need to use additional base gaskets to allow for proper clearance
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