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The QA1 rear suspension conversion system for 1963–1972 Chevrolet C10 trucks is a soft-valve, single-adjustable package with 170 lb/in springs that supports up to a 6" drop. The system includes adjustable tubular truck arms, single-adjustable shocks, high-travel springs, a C-notch bracket, panhard bar and brace bar. QA1's adjustable shock valving and ride-height tuning allow tailored handling while the bolt-in design and US-made components simplify installation.
QA1 63-72 Chevrolet C10 Rear Suspension Conversion System - Soft - Single Adjustable (170lbs/in)
