Formosa Mobile Tech SpaceMaker Parts DUAL CYLINDER ROOM EXTENSION – 28.0" STROKE (WITH SYNCHRONIZING CYLINDER) MECHANISM AP36166 AP36167 AP35740 KIT (Part Page) CYLINDER ASSEMBLY ITEM 1 – RAP15322 (28.5" STROKE) REPLACES AP15322 SYNCHRONIZING CYLINDER ITEM 3 – RAP15320 (11.335" STROKE) REPLACES AP15320 TUBE KIT ITEM 2 – RAP90480 – REPLACES AP13252