IH: Suspension

Front Fork Info

1957-1985 Forks

Slider Tube, Damper Tube & Spring

Fork Parts Length
1957-1985Slider Tubexxxxx-xx
Damper Tubexxxxx-xx
Spring-#Coilsxxxxx-xx

Slider Lower Legs

Model(s)Lower Sliders
Left Leg
Lower Sliders
Right Leg
1953-1963 1)K/KH/XL/XLH/XLCH45948-5245947-52
1970 and earlier 2)XLH/XLCH45944-7045946-70
1970 3)XR/XLR45952-70R45951-70R
1971-1972 4)XLH/XLCH45944-7145946-71
1973 5)XLH/XLCH
Kayaba
45976-73 w/
disc brake
bushings
45974-73
1974 6)XLH/XLCH45976-7445974-73
1975-1978 7)XLH/XLCH
Showa
46024-7546025-75
1977-1978 8)XLCR46026-7746027-77
1978 9)XL/XLCH46027-7746026-77
1979 10)XL/XLCH46027-7946026-79
Early 1979 11) XLS45657-7745658-77
Late 1979 12)XLS46027-7745906-80
1980-1983 13)All45912-8045906-80
1984-1987 14)15)All45912-8445906-84



1)
1953-1963 HD Sportster Parts Catalog pg 49
2)
1978 HD Sportster Parts Catalog (99451-78B) pg 103
3)
1970 HD XR/XLR Parts Catalog pg 12
4)
1978 HD Sportster Parts Catalog (99451-78B) pg 105
5) , 6)
1978 HD Sportster Parts Catalog (99451-78B) pg 107
7) , 9)
1978 HD Sportster Parts Catalog (99451-78B) pg 109
8)
1977 HD XLCR Parts Catalog with 1978 Supplement pg 49
10) , 11)
1979 HD Sportster Parts Catalog pg 51
12) , 13) , 14)
1979-1985 HD Sportster Parts Catalog pg 83,85
15)
1986-1990 HD Sportster Parts Catalog pg 65
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