| Part | Name | Releases |
|---|
| BR-G200 | BCF Compact Front-Mounted Single-Speed Scale Transmission Gearbox Set | |
| BRLC7209 | High-Efficiency Coupling Shaft Set for BCF2 2-Speed Transmission (BRX01 & BRX01 AWB) | |
| BRPT008 | Heavy-Duty Gears Set for BRX70/BRX80/BRX90 Portal PHAT Axle (16T X4, 20T x4) | |
| BRPT7022 | BRX70 Front Portal PHAT Axle (Center Pumpkin) w/ AR44 HD Gears Assembled | |
| BRPT7023 | BRX70 Rear Portal PHAT Axle (Center Pumpkin) w/ AR44 HD Gears Assembled | |
| BRPT8022 | BRX80 Front Portal PHAT Axle (Center Pumpkin) w/ AR44 HD Gears Assembled | |
| BRPT8023 | BRX80 Rear Portal PHAT Axle (Center Pumpkin) w/ AR44 HD Gears Assembled | |
| BRPT9022 | BRX90 Front Portal PHAT Axle (Center Pumpkin) w/ AR44 HD Gears Assembled | |
| BRPT9023 | BRX90 Rear Portal PHAT Axle (Center Pumpkin) w/ AR44 HD Gears Assembled | |
| BRX02430-70LF | BRX70 Front Straight PHAT Axle (Offset Pumpkin) Leaf Version w/ AR44 HD Gears Assembled | |
| BRX02430-80LF | BRX80 Front Straight PHAT Axle (Offset Pumpkin) Leaf Version w/ AR44 HD Gears Assembled | |
| BRX02430-90LF | BRX90 Front Straight PHAT Axle (Offset Pumpkin) Leaf Version w/ AR44 HD Gears Assembled | |
| BRX020022LF | BRX90 Front Straight PHAT Axle (Center Pumpkin) w/ AR44 HD Gears for BRX02 Leaf Version Assembled | |
| BRX020115F | BRX80 Front Straight PHAT Axle (Center Pumpkin) for Leaf Version w/ AR44 HD Gears Assembled | |
| BRX020115R | BRX80 Rear Straight PHAT Axle (Center Pumpkin) for Leaf Version w/ Reversed AR44 HD Gears | |
| BRX026624 | Pass-Thru PHAT Axle Center Housing Unit Set w/ AR44 HD Gears for 6X6 & 8X8 Builds | |