Kibblewhite Precision 30-30640 Valve Spring Kit

Type: Intake / Exhaust.
Retainer Material: Titanium.
Intake Valve Lift: 0.440in.
Intake Installed Height: 1.215in.
Intake Seat Pressure: 40#.
Intake Open Pressure: 147#.
Intake @ Lift: 0.440in.
Exhaust Valve Lift: 0.440in.
Exhaust Installed Height: 1.365in.
Exhaust Seat Pressure: 70#.
Exhaust Open Pressure: 203#.
Exhaust @ Lift: 0.440in.
Note: The Exhaust springs for this kit include a progressively wound Inner Spring, which should be installed with the tightly wound end seated on the HT Steel Basewashers..

Designed for maximum performance features interference wound double chrome silicone springs. All spring kits should be used together. Available in complete set for one engine.

Vehicle Fitment:

2002-2008 Honda CRF450R