High Compression Piston Kit GROM (JC61-100/130~, JC75-100), MSX125/SF

By replacing the piston, it is possible to increase the output of the GROM, MSX125, and MSX125SF while retaining the stock displacement, stock cylinder head, and stock cylinder.
The optimal balance between piston shape and compression ratio allows for high output performance unmatched by other manufacturers.
It is essential to simultaneously install our sports camshaft and FI-CON2 (fuel injection controller).
This product is designed for high-octane gasoline.
Applicable models
:GROM (JC61-1000001 to 1299999)
:GROM (JC61-1300001 to)
:GROM (JC75-1000001 to)
:MSX125 (MLHJC618_D50000001 to)
:MSX125SF
*The images are for illustrative purposes only, and the design and specifications of the products shown are subject to change without notice. Thank you for your understanding.