S&S, Street Performance valve spring kit. .585" valve lift

84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL; 91-02 Buell (NU)

Includes single wire conical (beehive) style springs, steel top & bottom collars, valve keepers and shims. Compatible with stock to .585" lift applications. 1.850" installed height, 135lbs valve seat spring pressure, 325lbs@.585".