All JD Parts

Harley Davidson made the F-head Singles from 1915 to 1918 and F-head Twins from 1915 to 1929.

On our parts, we use the term Harley JD as a general descriptor for all of the F-head model singles and twins.  The main models were J, F, JD, & FD.

Model J, JE      -    61" Battery           Model JD   -    74" Battery
Model F, FE     -    61" Magneto         Model FD   -   74" Magneto 

1910 TQ HARLEY JD TANK QUADRANT BLOCK & TANK BLOCK INSERT. ALL BELT DRIVES
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1012-25K HARLEY JD EXHAUST PIPE NIPPLES & NUTS 1925-1929 61" MOTORS & RACERS
1012-25K HARLEY JD EXHAUST PIPE NIPPLES & NUTS 1925-1929 61" MOTORS & RACERS
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1012-25 HARLEY JD EXHAUST PIPE NIPPLES 1925-1929 61" MOTORS & RACERS **DISCONTINUED**
1012-25 HARLEY JD EXHAUST PIPE NIPPLES 1925-1929 61" MOTORS & RACERS **DISCONTINUED**
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1604-18 HARLEY JD DISTRIBUTOR CAP SPRING KIT 1918-1926 TWINS
1604-18 HARLEY JD DISTRIBUTOR CAP SPRING KIT 1918-1926 TWINS
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139-09 HARLEY JD ENGINE RELIEF DRAIN NIPPLE 1909-1914
139-09 HARLEY JD ENGINE RELIEF DRAIN NIPPLE 1909-1914
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164-26 HARLEY JD INTAKE/ EXHAUST VALVES & SPRINGS 1926+
164-26 HARLEY JD INTAKE/ EXHAUST VALVES & SPRINGS 1926+
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