Specialty Bracket 9900 , B9900 Kits Part #10001419 (Legacy Part #BP9900BTPA) – Specialty Bracket – B9900BTPA w/ 6 – PB5017, 8.75” long pipe swivel brackets instead of standard 4.25” long pipe swivel brackets Specialty Bracket 9900 , B9900 Kits Part #10001423 (Legacy Part #B9900LBTPA) – Specialty Bracket – B9900BTPA Bracket Kit w/ 4 – Standard PB5015 swivels & 2 – PB5017, 8.75” long pipe swivel brackets Specialty Bracket 9900 , B9900 Kits Part #10001425 (Legacy Part #BV9900BTPA) – Specialty Bracket – B9900BTPA Bracket Kit w/ 4 – Standard PB5015 swivels & 2 – PB5016, 10” long arm swivel brackets Specialty Bracket 9900 , B9900 Kits Part #10001427 (Legacy Part #103976) – Specialty Bracket – B9900BTSA Bracket Kit w/ 4 – PB5017, 8.75” long pipe swivel brackets instead of standard 4.25” long pipe swivel brackets Specialty Bracket 9900 , B9900 Kits Part #10001428 (Legacy Part #B9900LBTSA) – Specialty Bracket – B9900BTSA Bracket Kit w/ 4 – Standard PB5015 swivels & 2 – PB5017, 8.75” long pipe swivel brackets Specialty Bracket 9900 , B9900 Kits Part #10001429 (Legacy Part #BV9900BTSA) – Specialty Bracket – B9900BTSA Bracket Kit w/ 4 – Standard PB5015 swivels & 2 – PB5016, 10” long arm swivel brackets Specialty Bracket 9900 , B9900 Kits Part #10006283 – Specialty Bracket – B9900BTPA Bracket Kit w/ 6 – PB5019, 5.75” long pipe swivel brackets