If you want to sharpen your XRAY X4's handling, the XRAY 302134-C composite upper arm is a smart upgrade. Made for the front right and rear left locations, these arms deliver extra flex that helps the tyres bite harder and the car track truer, especially on lower-grip surfaces and front-drive setups.
The composite construction increases wear resistance and can withstand impacts better than softer parts. The geometry keeps clearance around the inner shock position while reducing unwanted play, so steering inputs stay precise and repeatable for serious club and track use.
These parts are made specifically for the XRAY X4 range and install into the front right and rear left spots. They suit racers and hobbyists alike who want a practical, bolt-in way to improve mid-corner grip and component longevity.
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