The XRAY 301172 Aluminum Upper Deck Collar is made to increase the rigidity of the T4 2020 chassis. By reinforcing the upper deck area, this collar reduces unwanted flex and helps the car feel more stable on high traction surfaces while keeping the factory look with its sleek black finish.
On surfaces with lots of grip, reduced chassis flex leads to more consistent handling and cleaner corner exits. The aluminum collar helps the car respond predictably to steering inputs and improves cornering precision for drivers tuning setups on technical circuits.
Designed specifically for the XRAY T4 2020, the collar fits without modification and installs with basic tools. This lets you upgrade quickly and return to track testing with minimal downtime.
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