Auper D6 Aluminum Rear Bulkhead Cover, Blue - SAK-D6808B/BU by 3Racing  [SAK-D6808B/BU]

Rear bulkhead cover overview and benefits

The 3Racing SAK-D6808B/BU aluminum rear bulkhead cover is an RC-scale replacement for the Auper D6 chassis that creates a firmer mounting surface at the rear. Machined from aluminum, this cover replaces the stock rear plate and ties the adjacent suspension and gearbox mounts into a more rigid assembly, reducing unwanted flex and improving predictable rear behavior while tuning and testing on the track.

Installation is straightforward for hobbyists familiar with basic chassis maintenance: remove the original rear plate, align the machined cover to the factory mounting holes, and fasten using the original hardware. No permanent modification to the chassis is required when the factory mounting points are used. The part is intended to work with the stock mounting locations and common rear suspension layouts on the Auper D6 platform.

As a tuning item, the rear bulkhead cover changes local stiffness rather than altering suspension geometry. Fitting the aluminum plate can reduce rear bulkhead compliance, which often leads to more consistent rear responses under load and simplifies small adjustments to shock and differential setup.

This direct-replacement cover suits drivers who prefer metal components for steadier rear-end reactions while refining chassis stiffness on the Auper D6.