Our performance tuned 1984-1996 Corvette Composite Rear Leaf Spring allows you to select the suspension performance level and ride quality you desire. Van Steel series provides improved cornering ability, road feel and initial response while maintaining a quiet and comfortable ride. Their HPT (High Performance Track) series offers "race ready" spring rate option for spirited street driving, auto crossing, track days, or competitive racing. This Corvette Rear Spring features a 228 lb/in rate, equivilant to factory FE1 suspension. 1984-1987 models require our 602-714, 1988-1996 style mounting kit for installation.