American Limited 6100 HO Scale Close Coupling - Athearn F Unit Diesels

HO Athearn F Unit Close Coupling Adapter Kit (black). Fits Kadee® #5 & similar couplers, sets the units at 32" scale between diaphragm mounts - less than 1/2 the distance of standard coupling. Comes with 2 pair of draft gear boxes, enough for 4 couplers.
 

Installation instructions included on back-side of packaging.