Fitments
84-99 Evo Big Twin; 99-04 Twin Cam. (Excl. 86-04 XL Sportster models) (NU)
Part Description
JIMS, high performance valve spring set. 184@1.850"
Seat load: 184@1.850". Open load: 422@1.280". Coil bind: 1.080". Rate lbs / inch: 425. Multiple parts valve spring set. Comes with an interference double spring design with damper that keeps the inner and outer springs from locking and reduces harmonic vibrations. Compatible with OEM upper and lower collars.
