Hotchkis Sport Suspension 2430 1964-1966 Ford Mustang Sport Lowered Leaf Spring kit with a 1.5-inch Drop designed in. The best leaf spring replacement. Lower your 1964-1966 Ford Mustang and reduce roll and increase handling with our 1.5 in. lowered Sport Leaf Spring. Our Sport Ford leaf springs represent the latest technology in leaf spring suspension geometry performance spring and uses the highest quality leaf spring material. Our springs feature reversed eyes, a heavy-duty multi-leaf design eliminating sag and reducing axle wrap, polyurethane rear bushings and rubber front bushings offering both performance and comfort. Included are heavy duty shackles, High grade U-bolts for leaf springs. The most complete kit in the market, leaf spring parts all included. Our sport leaf springs are designed to work on all Ford Mustang Leaf equipped vehicles. Lowers vehicle 1.5 in. from original ride height. No need to add a leaf to your old worn-out leaf springs or figure out types of leaf spring, get the right application of leaf spring by Hotchkis. Spring Rate: 180. Take your 1964 -1966 Ford Mustang to the next level of performance for autocross and track days. Hotchkis Rear Sport Leaf Springs are one of the fastest easiest and most dramatic modifications you can make to the Mustang offering a sleek lowered stance, dramatically improved handling, and superior driver control thanks to a lower center of gravity. Our engineers poured over computer modeling and track testing data to create the ultimate Mustang leaf spring that improves handling while offering a sporty yet comfortable ride. Our street, autocross and track event ready Sport Leaf Springs were developed as part of a balanced system giving the Mustang an aggressive stance and balanced handling especially when combined with Hotchkis Front Sport Coil Springs, (1930F) Sport Sway Bars, (22114) and 1.5 SPS Shocks. (79020016).