BMR non‑adjustable boxed lower control arms in red for 1964–1972 GM A‑body employ CNC laser‑cut 1.5×3" 0.120" wall boxed steel and greasable 95‑durometer polyurethane bushings with internal flutes. The BCA005 is intended to reduce control‑arm flex and improve repeatability for street, drag, and road‑race use while balancing load capacity and ride comfort.
BMR 64-72 A-Body Non-Adj. Boxed Lower Control Arms (Polyurethane) - Red