2022 Honda Grom HD Valve Springs
2022 Honda Grom HD Valve Springs is backordered and will ship as soon as it is back in stock.
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.