Spring Rate Comparison:
Hyperco HPS (Street/Track)
12405HPS (Front) 565#
12406HPS (Rear) 765#
Hyperco HPT (Track/Solo)
12407HPT (Front) 625#
12408hpt (Rear) 850#
Stock Z06: 526# Front, 714# Rear
T1: 582# Front, 793# Rear
Z51 Rear Sway Bar (Bar size 23.6 mm x3.5, same as c5 z06), part # 10424743. For reference, the T-1 rear swaybar is 27.5mm in diameter but is considered too stuff by some racers.
Before numbers / decals were removed:
After all decals were removed:
Flatbottom mod (better access to diff and tranny) and DynamatÂ
