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Thai spec Honda Grom/MSX match ported throttle body. (no fast idle solenoid valve)
235cc FinBro complete engine swap package for the Honda Grom/MSX125. With 6 month warranty.
FinBro complete 204cc 4v engine package. With 6 month warranty.
FinBro balanced crank with forged rod and upgraded bearings.
RACE PISTON: New 125cc Dome Race piston for the Honda Grom. Shorter reach plug is included due to high compression piston. Honda Grom stock compression: 9.3:1 FinBro 125 Dome Race Piston: 12.1