The XRAY 303364 Composite Rear Upright is built to tighten rear-end response on grippy tracks. Its integrated 0 deg outboard toe preserves geometry during aggressive driving, while the single-hole setup helps the car rotate cleanly through long turns.
Produced in hard composite stamped "H", this upright is geared toward foam-tire competition but also performs adequately with rubber tyres. The compact 5x10x4 bearings minimise unsprung weight and support smoother suspension action and better track feel.
Adjusting the roll centre is done by inserting shims between the upright and the turnbuckle ball joint. This simple method allows rapid setup changes to match grip levels and driving style.
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