B4578 Kits Part #10001366 (Legacy Part #BP4578BTSA) – Specialty Bracket – B4578BTSA Bracket Kit w/ 4 – PB5017, 8.75” long pipe swivel brackets instead of standard 4.25” long pipe swivels B4578 Kits Part #10001367 (Legacy Part #B4578LBTSA) – Specialty Bracket – B4578BTSA Bracket Kit w/ 2 – PB5015, standard swivels & 2 – PB5017, 8.75” long pipe swivel brackets B4578 Kits Part #10001368 (Legacy Part #BV4578BTSA) – Specialty Bracket – B4578BTSA Bracket Kit w/ 2 – PB5015, standard swivels & 2 – PB5016, 10” long arm swivel brackets B4578 Kits Part #10001370 (Legacy Part #B4578HDPBA) – Specialty Bracket – B4578PBA Bracket Kit w/ 2 – .75” thick heavy duty center brackets instead of standard .5” center brackets B4578 Kits Part #10001371 (Legacy Part #BP4578HDBTPA) – Specialty Bracket – B4578BTPA Bracket Kit w/ 2 – .75” thick heavy duty center brackets and 4 – PB5017, 8.75” long pipe swivel brackets B4578 Kits Part #10001372 (Legacy Part #B4578HDBTPA) – Specialty Bracket – B4578BTPA Bracket Kit w/ 2 – .75” thick heavy duty center brackets instead of standard .5” center brackets B4578 Kits Part #10001373 (Legacy Part #B4578HDBTSA) – Specialty Bracket – B4578BTSA Bracket Kit w/ 2 – .75” thick heavy duty center brackets instead of standard .5” center brackets B4578 Kits Part #10001374 (Legacy Part #BP4578HDBTSA) – Specialty Bracket – B4578BTSA Bracket Kit w/ 2 – .75” thick heavy duty center brackets and 4 – PB5017, 8.75” long pipe swivel brackets B4578 Kits Part #10001376 (Legacy Part #104728) – Specialty Bracket – B4578BTPA Bracket Kit w/ 2 – 104723, heavy duty wide trak center brackets & 4 – PB5017, 8.75” long pipe swivel brackets B4578 Kits Part #10005158 (Legacy Part #106536) – Specialty Bracket – B4578BTPA Bracket Kit w/ 2 – .75” thick heavy duty center brackets & 4 – PB5019, 5.75” long pipe swivel brackets ← 1 2