Yo estoy igual harto de leer en foros de diferentes paises y de coches y ya nose por cual tirar, he mirado que si blistein, kw, tein,BC,D2 ... y la ultima que e visto las blitz zzr y nose si tiar por estas por las spec que aporta esta suspensión con respecto a la competencia. Aqui os dejo las spec haber como la veis y un video de ellas.
https://www.youtube.com/watch?v=qY19kabqRVc

Brand: BLITZ
Product: Damper ZZ-R Coilover - GSE20 GSE21
Part Num: 92785

FEATURES:
- Single Cylinder Type
- 32 stage adjustment method
- Practical use for street circuit and wide range of events
- Designed with large diameter piston at 44mm (some vehicles)
- Forged aluminum upper mount
- Forged aluminum sheet for reduced weight and increased durability and strength
- Rigid bracket coated with special pain to achieve durability
- Aluminum bracket coated in black anodized paint to improve corrosion resistance
- Included height adjustment wrench

SPECIFICATION:
Materials:
- Springs: Special high-tension Steel (SAE9245)
- Cylinder Case: High-strength Steel (STKM13C)

- GSE20, GSE21 -
Upper Mount Configuration:
- Front: Reinforced Rubber Upper Mount
- Rear: Reinforced Rubber Upper Mount

Spring Spec.:
- Spring Rate (kgf.mm):
-- Front: 10.0
-- Rear: 8.0

- Free Length (mm):
-- Front: 220
-- Rear: 220

Height adjustment range:
- Front: -50 ~ 0
- Rear: -60 ~ +10

Damper Adjustment Dial Extension:
- 200mm