Duo Glide FLH : 1962-1960-1964-1961-1959-1963-1958
Duo Glide FL : 1961-1960-1963-1962-1964-1958-1959
Specs:Bore Size: 3.437" Product Name: Piston Ring Bore - Oversize: Standard Bore Oversize: Standard Units: Set Ring Material: Moly Coated Style: OEM Replacement Riding Style: Street