Yokomo Z4-003P Aluminum Upper Deck Plate for YZ-4 — aluminum upper deck stiffener for YZ-4 4WD off-road chassis  [Z4-003P]

Aluminum upper deck plate for YZ-4

This is an aluminum upper deck plate designed as an optional RC-scale accessory for the YZ-4 4WD off-road chassis. The plate fastens to the front and rear mounting points of the upper deck to create a stiffer connection across the top of the chassis.

By increasing chassis rigidity, the plate changes pitching and roll characteristics, offering a straightforward tuning lever for handling balance. Drivers use an upper deck plate like this to reduce flex under acceleration or braking and to fine tune mid-corner body movement without altering suspension geometry.

Installation is direct: the plate secures the existing upper deck front and rear points and works with the standard YZ-4 layout. No special tools are required beyond basic hex drivers, and adjustments to other setup items may be needed to reach the desired handling response.