Kuvaus
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.36-47 Knucklehead Knuckles with S&S valve spring covers S&S KN engines