QA1 Rear Suspension Kit GM X-body 68-72 - R258-170

QA1 Rear Suspension Kit GM X-body 68-72 - R258-170

Rear Suspension Kit - Double Adjustable - 170 lb/in Spring Rate - Crossmember / Shocks / Springs / Trailing Arms - Steel - Black Powder Coat - GM X-Body 1968-72 - Kit

Key Features

• Brand: QA1
• Part Number: R258-170
• Product Type: Rear Suspension Kits
• Fitment: Universal Fit – custom installation may be required.
• 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 Fit – custom installation may be required. 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.