Racing Spring Kit, Titanium, 0.380" Lift

Type    Intake/ Exhaust
Retainer Material    Titanium 
Valve Lift    0.380"
Installed Height    1.105"
Seat Pressure    39#
Open Pressure    86#
@ Lift    0.380"

FITS:

Yamaha® YFZ™ 450 2004-2009
Yamaha® YFZ™ 450X 2008-2011
Yamaha® YFZ™ 450R & SE 2009-2025
Yamaha® WR™ 450F 2003-2015
Yamaha® YZ™ 450F 2003-2009