Tamiya 51085 TB Evo IV Upper Deck Race-Ready Replacement  [51085]

Stiffen Your TB Evolution IV Chassis

The Tamiya 51085 Upper Deck is a purpose-made component that increases the structural strength of the TB Evolution IV chassis. Its design focuses on reducing unwanted movement so the car behaves more predictably through corners.

Better Control Under Load

By reinforcing the central chassis area, this upper deck helps limit flex during hard acceleration and cornering, delivering a more consistent steering feel for drivers tuning suspension and alignment.

Straightforward Fitment

Designed to work with standard TB Evo IV parts, the deck installs using the original fixation points and requires only routine hobby tools. That keeps the upgrade quick and accessible to most builders.