Taper Bored 27mm GROM Throttle Body




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



We offer CNC prototyping as well as full production capability of a wide variety of parts. If you are interested in a quote please use the contact us page and we will get back with you as soon as possible. We can work off of simple sketches to full designed drawings.

Taper Bored 27mm GROM Throttle Body
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  • Item #: GBTB26
  • Manufacturer: JC Racing
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Price $195.00
Availability In-Stock