About WRP-R106 Rev A - Wooden Rail Rail Extrusion/Insert (1191 mm)
  Wooden Rail Plastic Rail Extrusion rev A  (1191mm) 
Used For; Seat running Surface, Lip retains the Guide Wheels 
Used on; Early Models with wooden rails 
Included; Rail Extrusion pair only
Please note that the rail extrusion can be cut by the customer or workshop using a hacksaw.  So if you are looking for extrusions that measure 1080mm you can choose Rev A and cut them to size.
Rev A come with holes.  If they do not line up with your existing bolt holes you can drill new holes.
For Service Instructions; Click here 
For Drawings; Click here