Progressive Suspension Fork Springs

for 33.3 and 35 mm fork tubes; fits K-Model/Sportster 1954-1987, FX/FXR 1975-1987; length: 500 mm; Ø 23 mm; replaces OEM HD 45408-75

for 39 mm fork tubes; fits Sportster 1987-1993 (Hugger 1988-1992), FXR 1988→; length: 470 mm; Ø 30 mm; replaces OEM HD 45376-87

for 39 mm fork tubes; fits Sportster 1994-2003, Hugger 1992-2003, FXD/C 1995-2005; length: 470 mm; Ø 30 mm; replaces OEM HD 45941-95, and 45376-97

for 39 mm fork tubes; fits Sportster 2004-2020; length: 470 mm; Ø 30 mm; replaces OEM HD 45376-04

for 39 mm fork tubes; fits FXR 1987→, FXD(B/C/L) 1991-1999; length: 470 mm; Ø 30 mm; replaces OEM HD 45373-88

for 41.3 mm fork tubes; fits FL(H/HT/T) 1949→ (except FLT/FLHT 2002-2005), FLHR 1994→, FX(D)WG 1980-2005, Softail 1984-2017; length: 400 mm; Ø 32 mm; replaces OEM HD 46051-49A

for 41 mm fork tubes; fits FLT/FLHT 2002-2005; length: 375 mm; Ø 32 mm

for 49 mm fork tubes; fits V-Rod 2002→ (no inverted forks), Dyna 2006→, FXCW 2008→; length: 460 mm; Ø 43 mm