6227 - Race Ported 2 Bolt 30.5cc Top End If your order is time

If your order is time sensitive please contact us prior to placing your order to see what the current lead time is

Due to high demand

The signature series are ported more aggressively and will have quite a bit more power than the full mod version

Case halves need to be sealed with a quality sealant such as threebond 1211

if not better than

6227 - Race Ported 2 Bolt 30.5cc Top End If your order is time<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