(Our porting is not shown
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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
<p>(Our porting is not shown in picture) 
Compared to a full mod you can expect quite a bit more overall power as well as torque
Balance factor is greatly increased over stock and you can expect more power across the board along with a huge drop in vibration
We've modified absolutely everything possible to increase power without sacrificing reliability
6227 - Race Ported 2 Bolt 30.5cc Top End <p>(Our porting is not shown<p>This is a brand new race ported 30. 5cc top end. This kit comes with everything need to turn your motor into a beast except for a 2mm crank. To start we machine the cylinder for the 2mm stroker and for a proper squish clearance with out stacking gaskets. This allows the motor to rev higher and still have a massive amount of torque. All of our port work is done by hand except for machining the cylinder. < p> <p><br >This big bore kit will fit
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