Ironhead Sportster 1" Fork Cup Conversion for Big Twin Front Ends

The Original Made in USA Fork Cup Conversion for Sportsters.
Beware of chinese copys out there!

Our Kit consists of a set of steel fork cups, machined to fit a 1957-1981 XL Frame.
and Billet aluminum dust shields that are machined as spacers to bring the neck to the same length as a 1" big twin neck.

Replaces your stock Ball Bearing Fork cups.

This will allow any stock or aftermarket big twin front ends and springer front ends to be used on a sportster.

Fork Cups are Nickel plated for rust resistance

Includes new bearings and races