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The QA1 rear coil‑over conversion kit for 1973–1987 Chevrolet C10 trucks converts rear coil springs to adjustable coil‑overs for GM 10‑bolt axles with a firm double‑adjustable valving (250 lb/in). The kit includes high‑travel springs, double‑adjustable shocks and all mounting hardware to tighten handling when lowered. Offers ride‑height and valving adjustment, bolt‑in installation and QA1 warranty coverage.
QA1 73-87 Chevy C10 Rear Suspension Conversion System - Firm - GM 10 Bolt - Double Adj. (250lbs/in)
