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NECK CUP CONVERSION KIT-Put Big Twin/Late Sportster 1" stem forks on Ironheads!

  • Use this conversion kit when installing a Big Twin or late Sportster 1" neck fork assembly on your early Sportster that has the 7/8" neck stem, bearings, and cups
  • Allows easy installation of our Hardbody® and DNA springers as well
  • Simply remove your existing cups and install these steel cups into your frame neck and you are ready for Big Twin forks
  • Includes Timken® bearings and races

These are Old-STF brand


Raw Steel Neck Cup Conversion Kit
Fits K Model & Sportsters from 1952 to 1981

$135.00 17 available

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