2017-2026 HONDA CRF450R DEF RACING VALVE SPRING KIT

Description

The DEF Racing 2017-2026 HONDA CRF450R Valve Spring Kit allows your engine to run at higher rpms, and with more aggressive cam profiles without the loss of valve control. This kit is a must for those using big lift cams and larger valves!

• Performance
  • MAX RECOMMENDED EXHAUST LIFT @ 0.430″ / 10.92MM
  • MAX RECOMMENDED INTAKE LIFT @ 0.465″ / 11.81MM
  • Allows for a higher rev limiter
  • Improved valve control and reduced reciprocating mass
• Kit Includes
  • Exhaust Valve Springs (Dual Springs)
  • Intake Valve Springs (Dual Springs)
  • Titanium Exhaust and Intake Spring Retainers
  • Tool Steel Spring Seats