Description
Manley Manley, lower valve spring collar set. +.030″
48-79 Big Twin (NU) +.030″ spring travel
Low profile for +.030″ spring travel. Chromoly, black oxided. Precision re-engineered to offer installation advantages and manufactured of special heat treated chromoly material that has been black oxided. Will fit OEM, Manley and many aftermarket manufacturers valve springs.