The MOOG Adjustable Torsion Bar Key is a front torsion bar key that restores proper ride height and permits suspension adjustment. Sourced for Chevrolet heavy‑duty applications, source text cites 2016–2019 Suburban 3500 HD and Silverado 2500 HD. MOOG emphasizes durability and easier replacement; this key offers an adjustment range from 1/2 to 1 1/2 inches to return ride height to OE specifications.
MOOG 16-19 Chevrolet Suburban 3500 HD Front Torsion Bar Key