Jims JIMS, valve spring kit, race. Titanium .700″ lift

Description

JimsJIMS, valve spring kit, race. Titanium .700″ lift  978043

fits  84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 XL Sportster (NU)

Race valve spring set. Titanium top collars. Kit include top and lower collars, springs and valve keys. An interference double spring design with damper that keeps the inner and outer springs from locking and reduces harmonic vibrations. Spring OD 1.550″. Pressure 230lbs@1.875″, 700lbs@1.200″. Coil bind .1100″.

 

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