Skip to product information
High performance valve spring kit.
Includes steel upper collars, lower collars, valve springs and valve wrenches.
Fits original Knuckleheads, S&S Knucklehead cans, and all S&S KN (Knucklehead) style engines.
Note: OEM valve guides may need to be shortened.
Fits: > 36-47 Knucklehead; S&S Valve Spring Cap Joints; S&S KN Engines
S&S Valve Spring Kit. Standard Valve Lift .480" for Harley-Davidson
510.57 €
Sale price
510.57 €
Regular price
Includes steel upper collars, lower collars, valve springs and valve wrenches.
Fits original Knuckleheads, S&S Knucklehead cans, and all S&S KN (Knucklehead) style engines.
Note: OEM valve guides may need to be shortened.
Fits: > 36-47 Knucklehead; S&S Valve Spring Cap Joints; S&S KN Engines