This aluminium upper plate is an RC replacement part for the Tamiya TB-04 platform, intended to stiffen the rear gearbox mounting and limit chassis flex under load. The part concentrates on mechanical reinforcement and alignment rather than styling changes.
Designed for the TB-04 chassis family as indicated in the product title, the plate mates with the existing TB-04 gearbox assembly and mounting hardware. It can form part of a tuning programme to improve gear stability and drivetrain response during high-load or precision driving conditions.
During installation use standard RC workshop checks: ensure correct hole alignment, confirm proper thread engagement of fasteners, and check gear engagement after fitting. These guidelines are for RC models only.
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