This is a brand new exact reproduction Heavy Duty Corvette Rear Leaf Spring. Correct 7 leaf spring built to exact dimensions as original. WE ALSO HAVE FRONT 15/16 F-41 SWAY BARS and F-41 SHOCKS, REAR SWAYS, AND NEW AND USED F-41 springs. See Related Items. Correct 315 lbs. spring rate. Creating correct to original ride height. Correct leaf ends that are scalloped inward and upward. Correct to original Blue Grey Paint (63 is painted black). Correct I shaped Leaf liners.