Forging Piston 58.5mm High Compression Piston
NEO Big Bore for 181cc
**The pistons are not interchangeable as they are designed to fit the model year, displacement and cylinder head..
The pistons and gaskets are standard with every big bore kit.Please use it for repair.The piston shape is designed to achieve the ideal compression ratio for the displacement and cylinder head combustion chamber shape.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.


