UMI A-Body control arms kit: adjustable, durable, improves handling. 1989-pontiac-firebird-esi6878223 1 EA A387XX-XXX Rear Coilover

1 EA A387XX-XXX Rear Coilover Kit

120” wall thickness

with a clear anodized finish to prevent corrosion

ensuring you get the most travel

UMI A-Body control arms kit: adjustable, durable, improves handling. 1989-pontiac-firebird-esi6878223 1 EA A387XX-XXX Rear CoiloverThis control arm kit by UMI Performance is designed to enhance your A Body vehicle's performance. It includes tubular rear lower control arms and adjustable rear upper control arms for easy bolt on installation. The kit minimizes wheel hop, improves cornering, and enhances track consistency. Stock control arms can cause traction loss and poor handling due to bushing deflection and weak stamped material. UMI Performance's kit addresses these issues