High performance valve spring kit. Includes steel top collars; lower collars; valve springs and valve keys. Fits stock Knuckleheads; S&S Knucklehead tins and all S&S KN (Knucklehead) style engines. Note: OEM valve guides may require shortening.
S&S, valve spring kit. STD to .480″ valve lift
€529.60
36-47 Knucklehead; Knuckles with S&S valve spring covers; S&S KN engines