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The QA1 rear coil‑over conversion kit for 1973–1987 Chevrolet C10 trucks replaces the factory rear coils with adjustable coil‑overs for GM 12‑bolt axles. This single‑adjustable firm kit (250 lb/in) ships with high‑travel springs, adjustable shocks and all installation hardware to tighten handling after lowering. Delivers ride‑height and valving adjustability, bolt‑in fitment and QA1 warranty support.
QA1 73-87 Chevy C10 Rear Suspension Conversion System - Firm - GM 12 Bolt - Single Adj. (250lbs/in)
