Manley, valve spring kit. Titanium. Std to .650" lift

84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL (NU)

Titanium top collars and a spring set. Can be used as a direct replacement from stock up to .650" lift. Machining is not required. Pressure: 180lbs@1.800", 400lbs@1.150". Coil bind: 1.020". The titanium top collars used in this kit provide a considerable weight reduction, allowing higher engine revolutions and less strain on the valve train components. Note: Includes top collars and springs only. Other components must be re-used.