As low as $39.73/mo with or . (Pay in 4 interest-free payments)
KOSO Honda Grom 34mm Performance Throttle Body Upgrade your Honda Grom with the KOSO 34mm Throttle Body — engineered for sharper throttle response, increased airflow, and improved mid‑range punch compared to the stock 30.5mm unit. Key Features 34mm bore for greater airflow and enhanced engine performance Matched intake manifold port larger than stock and size‑matched to the KOSO throttle body for an optimized air path Complete installation kit : includes all gaskets and clear instructions for a straightforward fit High‑quality construction for reliable daily use and track performance Benefits Improved throttle response and acceleration Smoother power delivery across the rev range Easy swap for riders looking to tune or bolt on performance upgrades Perfect for Honda Grom owners seeking a simple, effective modification to unlock better airflow and rideability. Pair with proper jetting or ECU adjustments for optimal results.
34mm Throttle body for increased performance compared to stock 30.5mm throttle body
Intake manifold port is larger than stock and is size matched to use with the Koso throttle body
or 
. (Pay in 4 interest-free payments)
