2022 Honda Grom HD Valve Springs

Honda upgraded valve springs for OEM cylinder head. When running OEM or aftermarket camshafts this will provide a safe increase for RPM limit.

• This HD Valve spring kit will support RPM up to 11,000RPM unlocking an additional 20% more overrev over the stock 9,250RPM limit. 

• This Valve Spring is made specifically for the 2022 Honda Grom/Monkey/Dax with the smaller 4.5mm Valve stem.

• Highly recommended to be used with larger diameter exhaust.