BMR boxed lower control arms for 1978–1987 G‑Body are non‑adjustable replacements with polyurethane bushings, intended for street, drag and road race applications. The BCA003 is designed to resist deflection common in stamped steel arms and to provide a firmer mounting point that improves repeatability under load while maintaining acceptable ride characteristics for varied driving uses.
BMR 78-87 G-Body Non-Adj. Boxed Lower Control Arms (Polyurethane) - Black Hammertone