Hotchkis 58 64 GM B Body Adjustable Upper Trailing Arms When Someone Says After All I've Done For You Quotes. Hotchkis Sport Suspension 1213 1958 1964 Chevrolet B Body Adjustable Upper Trailing Arm. Improve handling and traction on your 58 64 Chevrolet B Body by upgrading your flimsy stock trailing arms with our Adjustable upper trailing arms. Fabricated and TIG welded from . 120 wall rectangular tubing these adjustable arms feature greasable bushings grade 8 hardware and a durable powder coated finish. Note: These arms are sold each. Please verify if your vehicle requires 1 or 2 upper arms. Specs: The stock Chevrolet upper arm center to center length is 13 3 4 in. The maximum suggested center to center length of the Hotchkis upper arm is 14 in. The minimum suggested center to center length of the Hotchkis upper arm is 13 1 2 in. Installation Instructions Certificate of Origin Material Safety Data Sheet Warranty Quiet Greasable Polyurethane Bushings This Part Fits: Year Make Model Submodel 1959 1964 Chevrolet Bel Air Base 1959 1964 Chevrolet Biscayne Base 1960 Chevrolet Biscayne Fleetmaster 1959 1961 Chevrolet Brookwood Base 1959 1960 Chevrolet El Camino Base 1959 1964 Chevrolet Impala Base 1964 Chevrolet Impala SS 1959 1961 Chevrolet Kingswood Base