
Ironhead Sportster Neck Cup Conversion Kit
Use these cups to convert Ironhead frames that originally used forks with 7/8" Stem to fork that have a 1" stem.
- Use this conversion kit when installing a Big Twin or late Sportster 1" neck fork assembly on your early Ironhead Sportster.
- Simply remove your existing cups and install these steel cups into your frame neck, and you're ready for Big Twin forks.
- Includes cups, bearings and races.
Fits K Model & Sportster 1952/1981