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VALVE SPRING SET WR YZ 250F 14-18, KIBBLEWHITE 80-81400, RACING SPRING KIT
£209.60 GBP
Taxes included.
Type Intake / Exhaust
Retainer Material Titanium
Intake Valve Lift 0.395
Intake Seat Pressure 55#
Intake Open Pressure 151#
Intake Installed Height 1.150
Intake @ Lift 0.395
Exhaust Valve Lift 0.370
Exhaust Seat Pressure 46#
Exhaust Open Pressure 119#
Exhaust Installed Height 1.095
Exhaust @ Lift 0.370
Note These components are intended for use with the KPMI® Top End Kit and are not intended for OEM compatibility.