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Jims JIMS, valve spring kit, race. Titanium .675″ lift

Wed, 24 Dec 2025 21:13:52 +0000

JimsJIMS, valve spring kit, race. Titanium .675″ lift 978042

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

Race valve spring set. Titanium top collars. Kits 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 1.540″. Pressure 195lbs@1.900″, 422lbs@1.250″. Coil bind .1175″.

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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > JIMS, valve spring kit, race. Titanium .675″ lift

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

Wed, 24 Dec 2025 21:13:52 +0000

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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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > JIMS, valve spring kit, race. Titanium .700″ lift