Zinc-plated
Harley OE Part Num: 39975-52B Fits: 1954-76 Sportster
Harley OE Part Num: 39973-86 Fits: 1977-90 Shoe Sold Separately
Harley OE Part Num: 39975-90A Fits: 1991-2003
Harley OE Part Num: 40039-02C Fits: 2004 to Present Sportster except Sportster S
