The SE-PRO Cylinder Head Big Bore Kit is designed for racing.Increased power and torque due to larger bore and longer stroke. The SE2-PRO is packed with more race specific parts.
Titanium Valve Specification
Cylinder: Aluminum cylinder (Hard plating)
Piston: Forging / WPC + MOS2 processing (3R specification)
Displacement: 125cc
Bore Diameter: Φ57
Stroke: 48.96mm (Long stroke)
ULTRA-SE high camshaft (OPTION: ULTRA-SE R High Camshaft 300-1413770)
Valve assembled
*NSF100 requires the rev limiter to be deactivated.
Please visit the manufacturer’s website for more information about the product.








