RS*R XBIT387M Best-i Coilover Suspension Kit

The RS*R Best-i (XBIT387M) coilover suspension kit delivers a premium balance of street comfort and performance handling. Engineered by RS*R, one of Japan's most respected suspension manufacturers, the Best-i series features independently adjustable ride height and damping force, allowing drivers to fine-tune their suspension setup for daily driving, spirited canyon runs, or track days.

Key Features:

• Full Coilover Design: Combines spring and shock absorber into a single, compact unit for precise suspension geometry and improved handling response
• Adjustable Ride Height: Allows lowering to achieve optimal stance and center-of-gravity reduction without sacrificing drivability
• Damping Force Adjustment: Multiple damping settings let you dial in the ride quality from comfortable street compliance to firm sport performance
• High-Quality Monotube or Twin-Tube Shock Construction: Engineered for consistent damping performance and long service life
• RS*R Swift Spring Technology: Utilizes high-performance coil springs for progressive and linear handling characteristics
• Pillow Ball Upper Mounts: Improve steering response and reduce NVH transfer for a more connected driving feel
• Corrosion-Resistant Finish: Anodized and coated components resist rust and wear for lasting durability

The RS*R Best-i coilover kit is a direct bolt-on upgrade designed for enthusiasts who demand more from their suspension than factory settings can provide. Whether you're looking to sharpen handling, achieve a more aggressive stance, or both, the Best-i series delivers the engineering pedigree and adjustability to meet your goals.