This alloy front and rear gear box set is a direct-fit RC-scale replacement intended for HPI Bullet 3.0 MT and ST nitro platforms. It is supplied as a single set and matches the service role of replacing worn or damaged gearbox modules on compatible WR8 and Bullet 3.0 chassis.
Designed around mechanical compatibility, mounting lugs and interface surfaces follow the original gearbox layout so existing spur gear, pinion, and fasteners can be reused. When replacing the unit, perform standard teardown, set correct mesh on reassembly, and confirm driveline spins freely before powering up.
For routine servicing and tuning, this alloy housing set works as a spare casing for inspections and repairs. It generally ships without internal bearings or gears; confirm included components with the vendor before starting work.
Consider this alloy gearbox set for replacing damaged housings or keeping a spare for WR8 and Bullet 3.0 nitro rigs, and verify the full parts list upon delivery to ensure fitment.
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