Individual Kit, includes forward and aft yokes, threaded rod assemblies, 2 horseshoes, shaft spacers and collets to fit 2-1/2″ shaft x 3-3/8″ o.d. x 10″. Everything needed to remove the old and install new strut bearings. The open yokes (included) allows you to replace the main and intermediate strut bearings (if applicable) without needing additional parts. Common bearing names are CORN (Duramax Marine) and PERCH (Morse Rubber).