XRAY T4-21 Main Chassis Upgrade with Dual Battery Plates - Factory Pro O-XCP006  [FP-O-XCP006]

Main chassis purpose and setup tips

This Factory Pro FP-O-XCP006 replacement is an RC-scale main chassis made to fit XRAY T4-21 cars and comes with two battery mount plates (2pcs) so you can try alternate battery layouts. The assembly is intended as a direct spare or an aftermarket upgrade to relocate the battery and influence balance and handling for track tuning.

The unit ships as a single main chassis assembly that replaces the stock chassis plate. When installing, inspect mounting points for servo, ESC, and motor brackets, and confirm driveshaft and suspension pickup alignment before final torque. Minor trimming of foam or brackets on the car may be required to clear the plates depending on the chosen battery position.

Use the included plates as a tuning tool: shifting battery position forward or rearward changes front/rear weight bias and transient behaviour without altering suspension geometry. Always verify fit with a trial assembly before running at full speed.

For racers and hobbyists swapping chassis plates or experimenting with battery placement on an XRAY T4-21, this Factory Pro unit provides a straightforward replacement and clear tuning options; always confirm fitment before completing assembly.