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The QA1 rear suspension conversion system for 1963–1972 Chevrolet C10 trucks in firm valving uses 250 lb/in springs and supports up to a 6" drop. The kit includes adjustable tubular truck arms, single-adjustable shocks, high-travel springs, a C-notch bracket, panhard bar and brace bar. QA1's adjustable valving and ride-height control deliver more precise handling and a bolt-in installation with components made in the USA.
QA1 63-72 Chevrolet C10 Rear Suspension Conversion System - Firm - Single Adjustable (250lbs/in)
