front 7.3kg/mm, height reduction - 20-25mm
rear 5.9kg/mm, height reduction - 15-20mm

38,000 YEN = 347.00 USD

 

Jezz, what a waste weak rear spring rates and stiffer than stock in the front See the HOW TO MAKE MORE UNDERSTEER MANUEL!

Well at least they sure "look" like their linear springs. But the spring rates,............. doesn't anyone REALLY do sound R&D work anymore?

front 7.3kg = 409lbs(17% stiffer)
rear 5.9kg = 330lbs(-21%softer)

front 347lbs stock
rear 419lbs stock