Hotchkis Sport Suspension 1513 58-64 Chevrolet B-Body Panhard Rod. Improve handling and traction on your 58-64 Chevrolet B-body by upgrading your flimsy stock pan hard rod with our adjustable model. Pan hard rods positively locate the rear axle and control lateral side-to-side movement. Our adjustable pan hard rod features greasable bushings grade 8 hardware TIG-welded construction and a durable powder coated finish. May not fit wagons. Please verify measurements. Specs: The stock Chevrolet panhard bar center-to-center length is 31-1/2 in. The suggested maximum center-to-center length of the Hotchkis panhard rod is 32 in. The suggested minimum center-to-center length of the Hotchkis panhard rod is 31 in.