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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
別途必要（例）
1-piece forged construction – high strength-to-weight performance
Spring Rate (Recommended) Spring Length Upper Mount Helper Spring 4 kg/mm 178mm Adjustable Pillow Ball No Rear
Adjustment: Handmade product—minor modifications may be needed
Twin-Blade Rear Wing
Rear Member Collars for S13,S14,S15 800HP以下 別途必要（例）Rear Member Collars for S13, S14, S15 Enhance your rear member's rigidity and traction with these high quality reinforcement collars. Designed for **high performance driving**, they improve **stability, handling, and control**, making them an essential upgrade for drift and circuit enthusiasts. Key Features Enhanced Rear Member Rigidity: Improves traction and stability. Precision Fit & Durable Build: Made from high strength materials for longevity.
