Individual Kit, includes forward and aft yokes, threaded rod assemblies, 2 horseshoes, shaft spacers and collets to fit 2-1/4″ shaft x 3-3/8″ o.d. x 9″. Everything needed to remove the old and install new strut bearings. The open yokes (included) allow you to replace the main and intermediate strut bearings (if applicable) without needing additional parts. Common bearing names are CASE (Duramax Marine) and MUDFISH (Morse Rubber).