QA1 62-74 Mopar A/B/E-Body Torsion Bar Adjusters - Block & BoltAvailable for 1962 74 Mopar A B E Bodies, these Torsion Bar Adjusters are stock replacements and work well with factory or QA1 lower control arms. They are made from high strength alloy steel, zinc plated for durability and feature a 3 4'' hex head for easy alignment with a standard socket. Installation Instructions This Part Fits: Year Make Model Submodel 1963 1964 Dodge 330 Base 1963 1964 Dodge 440 Base 1970 1974 Dodge Challenger Base 1970 1971