Lower Control Arms, DOM, On-Car Adjustable, Polyurethane BushingsLaunching harder, reducing wheel hop, and adding cornering consistency to your Third or Fourth Gen GM F body or GM G body is easy with adjustable lower control arms from BMR Suspension. Stock stamped steel control arms with soft rubber bushings deflect under load and absorb power instead of transferring it to the tires. BMRs polyurethane, on car adjustable tubular control arms for F bodies and G bodies are the ultimate is strength and adjustability.