Spark plug adapter sleeve kit,use 14mm plugs in earlier heads w 18mm spark plug

Brought to you by Bitter End - Old School Choppers, Inc. - One Stop Shopping for Hardcore Choppin'

* Spark plug adapter sleeve kit allows 14mm plugs to be used in earlier heads with 18mm spark plug threads.
* Sold in a quantity of 2.
* Fits:
EL 1936-1940
FL 1941-1947

               
          UOM: 2 - 1 Pair    

Measurements 

Inner Thread Depth: 7/8" Outer Thread Depth: 11/16"