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Hellwig Frame FX kit for 1968–1972 GM A‑Body two‑door models, a bolt‑in system intended to box and reinforce the factory chassis. The kit includes 14 pre-formed steel panels designed to fit weak areas of each frame rail, adds an extra body mount to secure the floor pan, and provides a transmission crossmember mount to accommodate multiple drivetrain configurations, improving chassis stiffness, handling and ride quality.
Hellwig 68-72 GM A-Body Frame FX Kit
