QA1 designed these 52303 Front Upper Control Arms for the Mopar 1964-72 A-Body. These control arms feature tubular construction and polyurethane inner pivot bushings. Stronger than the factory control arms without adding any weight, these upper control arms increase caster by approximately 3 degrees. QA1 52303 Front Upper Control Arms Features: Fits Mopar 1964-1972 A-Body Stronger than factory arms with no added weight! Includes ball joints Black Powder Coated for improved looks, protection and durability Made in the USA Sold as a Pair QA1 Control Arms are the strongest and best-looking control arms available for your ride. Uniquely engineered with key features optimized for either drag racing, street performance, or pro-touring vehicles, these USA-made control arms will ride better, corner harder, and launch faster than anything you’ve experienced before.