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QA1's MOD Series triangulated four-link and coilover kit transforms 1970–1981 2nd‑gen F‑body Camaros and Firebirds by replacing leaf springs with adjustable coilovers and a tubular 4‑link. The system improves ride quality, handling, and stance while allowing clearance for much wider wheels and tires (maximum widths may require mini‑tubs). MOD Series shocks offer 4‑way adjustable valving; installation requires some welding and exhaust modification and includes a spanner wrench.
QA1 70-81 GM F-Body Mod Series Four Link Suspension System
