TEIN USS01-E1242 Replacement Upper Spring Seat for Street Basis Z Coilovers

The TEIN USS01-E1242 is a replacement upper spring seat designed for TEIN Street Basis Z coilover damper systems. This precision-engineered component is a critical replacement part that sits inside the upper mount assembly, ensuring proper spring positioning and damper function.

Key Features:

• Direct OEM replacement part from TEIN for Street Basis Z coilover systems
• Precision-manufactured in TEIN's Yokohama, Japan facility
• Designed to fit inside the upper mount assembly (not a complete upper mount replacement)
• Gold anodized finish for corrosion resistance and identification
• Sold individually - quantity of 2 required for complete front installation

TEIN manufactures all suspension components in-house at their Japanese facility, ensuring consistent quality and fitment. This upper spring seat is essential for maintaining proper coilover performance and eliminating noise issues that can occur with worn or damaged spring seats. As a genuine TEIN replacement part, it guarantees perfect compatibility with TEIN Street Basis Z damper systems.