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This allows the motor to rev higher and still have a massive amount of torque
We recommend a standard Zenoah 4 bolt crankcase
Relieve piston to prevent seizes
With proper installation a PROSTOCK engine is very easy to start and to tune the carb
29cc Head Kit Motor He23hp
6225 - Race Ported Zenoah 2 Bolt 27.2cc Top End This allows the motor to<p>This is a brand new race ported Zenoah 27. 2cc big bore kit. This kit requires a 2mm stroker (not included). 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. The following port work has been done:< p> <p><br >1. Machined Cylinder For
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