The XRAY 303363 Composite Left Rear Upright is crafted to enhance rear traction and cornering consistency on RC touring cars. Featuring an integrated 1 degree outboard toe-in, the upright helps the rear end track predictably through turns and is stiff enough for foam-tire competition while still fitting rubber tyre setups.
Its design accepts small 5x10 ball bearings to keep unsprung weight low and improve responsiveness. Adjustable roll centre positions give drivers simple options to alter rear behaviour for tight or flowing circuits.
Install the XRAY 303363 together with the matching right-side part, model 303353, to maintain balanced geometry. This pairing is a common choice for drivers tuning toe and roll centre to suit track conditions.
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