VALVE SPRING SET TRX 450 R 04-05, KIBBLEWHITE 30-30720, RACING SPRING KIT

Retainer Material Titanium

Intake Valve Lift 0.440"

Intake Installed Height 1.215"

Intake Seat Pressure 40#

Intake Open Pressure 147#

Intake @ Lift 0.440"

Exhaust Valve Lift 0.440"

Exhaust Installed Height 1.365"

Exhaust Seat Pressure 70#

Exhaust Open Pressure 203#

Exhaust @ Lift 0.440"