TEIN VSE18-C1SA4 Flex Z Coilover Kit with 16-Way Damping Adjustment

The TEIN Flex Z Coilover Kit VSE18-C1SA4 is a high-performance suspension system that delivers exceptional handling and ride comfort at an accessible price point. Manufactured in Yokohama, Japan, this complete coilover kit features TEIN's proven twin-tube damper design optimized for street use with larger wheels and lowered ride heights.

Key Features:

• Twin-tube damper construction for superior street comfort and smooth movement over rough surfaces
• 16-stage damping force adjustment via top-mounted click adjusters for fine-tuning compression and rebound
• Full-length ride height adjustment system that maintains damper stroke and spring preload
• Front camber-adjustable upper mount and rigid rear upper mount included
• Spring rates: Front 504 lbs/in (9kgf/mm), Rear 448 lbs/in (8kgf/mm)
• Ride height range: Front -3.75 to -0.25 inches, Rear -3.1 to +0.3 inches
• Compatible with EDFC electronic damping control system (requires separate motor kit)
• Sealed structure design for enhanced durability and reliability
• High-spec damper oil and rust-resistant coating throughout

The Flex Z utilizes TEIN's innovative sealed structure manufacturing process, which improves production efficiency while maintaining the brand's legendary "Made in Yokohama" quality. The twin-tube system provides sufficient stroke, low friction operation, and a comfortable ride that balances daily driving comfort with spirited performance capabilities. Each kit is thoroughly test-fitted and road-tested by TEIN's suspension engineers to ensure optimal performance and fitment.