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Fabtech’s HD 4‑inch rear block is a heavy‑duty lift block designed to raise the rear ride height by four inches for truck lift applications. The block installs between the axle and leaf spring pack to achieve a controlled rear lift and is built to match factory mounting interfaces. Use of a purpose‑made rear block helps maintain axle positioning and load distribution when altering rear ride height.
Fabtech HD 4in Rear Block
