RS*R XBIT591M Sports-I Coilover System Lexus RWD - 2021+ IS300

The RS*R XBIT591M Sports-i Coilover System is a premium suspension upgrade engineered specifically for 2021 and newer Lexus IS300 RWD models without the Adaptive Variable Suspension (AVS) system. This vehicle-specific coilover kit delivers exceptional performance, adjustability, and quality that RS*R is renowned for in the motorsports industry.

Key Features:

• Full adjustable ride height control for custom stance and handling
• High-quality monotube damper design for superior responsiveness
• Precision-engineered spring rates optimized for the Lexus IS300 platform
• Laser-cut upper mounts and hand-welded lower brackets for precise fitment
• Modern urethane bushing technology and silent roller bearings minimize vibration and noise
• Maintains factory suspension geometry while improving handling characteristics
• Vehicle-specific valving provides balance between comfort and performance

RS*R began as a wholesale distributor in Osaka, Japan in 1980 and has since become globally recognized for manufacturing top-tier suspension components. Each Sports-i coilover is meticulously assembled with attention to detail, utilizing competition-proven technology developed through active motorsports involvement. The XBIT591M kit reduces body roll, lowers the center of gravity, and delivers sharper cornering response while maintaining ride quality suitable for daily driving.

Note: This kit is designed for non-AVS equipped IS300 models only. Factory rear upper mounts must be reused during installation. Professional installation and alignment recommended.