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The QA1 rear suspension system for 1963–1972 Chevrolet C10 trucks converts the factory coils to adjustable coil‑overs for a firmer double‑adjustable setup. The kit includes high‑travel springs, adjustable tubular truck arms with pinion angle correction, a panhard bar and brace hardware to fine‑tune geometry and roll center as the truck is lowered. Bolt‑on installation and QA1 warranty complete the package.
QA1 63-72 Chevrolet C10 Rear Suspension Conversion System - Firm - Double Adjustable (250lbs/in)
