These Polini counter pressure springs increase pressure by 15%, making them ideal for light tuning. When the level of tune increases, so too should the strength of the springs. Variator must be calibrated if springs are changed.
- Original Spring Loading: 50/20mm/kg
- Polini Spring Loading: 50/23.5mm/kg
- Spring Thickness: 4.1mm
- Spring Length: 90mm
- Inside Diameter: 50mm
- Number of Turns: 5