QA1 Circle Track Coil-over Kits, 5Q Series - Steel - CK5Q91

QA1 Circle Track Coil-over Kits, 5Q Series - Steel - CK5Q91

Aluminum sleeve, spring cap retainer pin, spring cap, jam nut, spring seat adjuster nut, snap rings, and wire ties.

Key Features

• Brand: QA1
• Part Number: CK5Q91
• Product Type: Coilover Adjustable Spring Lowering Kit
• Fitment: Universal
• Built for improved handling, stance, suspension control, and reliable performance
• Designed for serious street, performance, drag, pro-touring, and custom builds

Fitment & Installation Notes

Universal Professional installation is recommended when suspension geometry, alignment, ride height, welding, or fabrication may be involved.

Emissions & Compliance

Catalog compliance data lists CARB:N and/or EPA:N. Confirm state and local requirements before street use.

Why Buy This Part

Choose QA1 for proven performance parts engineered for enthusiasts who care about fitment, quality, and real-world results.