Hotchkis Sport Suspension 1302 1964-1972 GM A-Body Lower Trailing Arms. Hotchkis Sport Suspension lower trailing arms for your 64-72 GM A-Body improve traction reduce wheel hop and improve handling and stability. Designed as direct replacements for weak stock trailing arms Hotchkis fabricated trailing arms are constructed from one piece of .120 in. wall TIG-welded steel tubing making them the strongest in the industry and include greasable polyurethane bushings. This item is a must for any high horsepower Chevelle GTO El Camino or other A-Body models. Specs: Length 22 in. Hardware sold separately