6227 - Race Ported 2 Bolt 30.5cc Top End We've modified absolutely everything possible

We've modified absolutely everything possible to increase power without sacrificing reliability

Compared to a full mod you can expect quite a bit more overall power as well as torque

Insulator Gasket

V3 reed cases have the option of using the Fat Boy reed valve to run HDA series carbs

</p> <p>To keep costs down

6227 - Race Ported 2 Bolt 30.5cc Top End We've modified absolutely everything possible<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.&nbsp;< p> <p><br >This big bore kit will fit