This front suspension arm mount and gearbox support is an aluminum A5 replacement identified as JR-TFD08-GU, finished in gun metal to match common RC styling. It is produced to align with the A5 mounting footprint found on certain TAMIYA chassis.
The item fits TAMIYA Thunder Shot, Thunder Dragon, Fire Dragon, and Terra Scorcher configurations that use the A5 front mounting position. It stiffens the arm pivot area and provides a reliable support for the gearbox during setup work or after repairs.
To install, place the mount into the chassis' A5 location and reuse the vehicle's fasteners where applicable. Ensure pivot lines and gearbox engagement are correct, and check steering linkage clearance before fully tightening hardware.
Tuning guidance: installing this support helps preserve fixed pivot geometry so adjustments to toe, caster, and damping remain predictable across runs.
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