Street & Performance. 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 1.510″. Pressure 184lbs@1.850″; 422lbs@1.280″. Coil bind 1080″.
JIMS, valve spring kit. Titanium .675″ lift
€593.40
84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 XL Sportster (NU)