Progressive Double Valve Spring Set - CRF110/CRF125 yz85 Makes adjusting fork oil height

Makes adjusting fork oil height simple and accurate

(Designed to hide the factory case saver

- A stock 150cc engine will increase to 170cc

crankcase cover

Durable steel construction

Progressive Double Valve Spring Set - CRF110/CRF125 yz85 Makes adjusting fork oil heightPROGRESSIVE DOUBLE VALVE SPRING & RETAINER SET (14752 KWN 000) This Progressive Double Valve Spring & Retainer set comes from our SP200R racing series engines with a very balanced spring pressure rate to avoid cam lobe damage as much as possible with lifting your RPM power band limits much further than stock. This set comes complete with 2 outer springs, 2 inner springs and 2 lighter as stock steel 5mm valve retainers to make a complete conversion