QA1 Rear Suspension, Firm, S-adj, GM 12 Bolt, 73-87 C10, Sgl Adjust, 250 Lb Springs - R131-250

QA1 Rear Suspension, Firm, S-adj, GM 12 Bolt, 73-87 C10, Sgl Adjust, 250 Lb Springs - R131-250

With this all-new, engineered-from-scratch rear system, 1973-1987 C10 owners can add modern performance to a pickup that was designed for utility-all without removing the bed of the truck. QA1 engineered a unique bolt-in torque arm design that maximizes performance without the inherent binding issues of other 4-link systems. This provides superior control over suspension movement, resulting in a smooth ride and.

Key Features

• Brand: QA1
• Part Number: R131-250
• Product Type: Coilover Overhaul Kit
• Fitment: 1973-1987 Chevrolet C10
• Built for improved handling, stance, suspension control, and reliable performance
• Designed for serious street, performance, drag, pro-touring, and custom builds

Fitment & Installation Notes

1973-1987 Chevrolet C10 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.