Taper Bored 27mm Honda GROM / MSX 125 JC Racing Throttle Body GBTB26

Increase the flow of your OEM throttle body for more power and torque. This is a perfect compliment to the big bore kits already available for the GROM / MSX 125 as well as stock engines just looking for more power.

All OEM sensors are retained and included for no cold rough idle. This can be used with all stock airbox, boot and filter or you can use any aftermarket air intake setup as well for more flow.

Also available are the cylinder head porting with matched manifold and insulator to this 27mm taper bored throttle body. 

Included in this service is the following:
- Taper Bore Throttle Body
- New Butterfly matched to the new bored size