HKS Hypermax IV Coil Over System (type GT and type SP)
 

HKS HIPERMAX 4 Coil Over System (GT)

$1659.00 Infiniti G35 Coupe

HKS HIPERMAX 4 Coil Over System (SP) ** stiffer spring rate

$1899.00 Infiniti G35 Coupe

http://cdn1.bigcommerce.com/n-dvzvde...g?t=1400352028

http://cdn1.bigcommerce.com/n-dvzvde...xgt4-intro.jpg

http://cdn1.bigcommerce.com/n-dvzvde...gt-details.jpg

https://farm4.staticflickr.com/3923/...f946a33d_b.jpg

what are the spring rates on the GT and SP?

^ +1

GT ( front 9kgf/mm | rear 9kgf/mm) with

front dampering / rebound ratio of 1285/275
rear dampering / rebound ratio of 637/167

SP ( front 14kgf/mm | rear 16kgf/mm) with

front dampering / rebound ratio of 2800/600
rear dampering / rebound ratio of 1200/350