These Polini counter pressure springs increase pressure by 20%, 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: 80/38mm/kg
- Polini Spring Loading: 80/46mm/kg
- Spring Thickness: 5.5mm
- Spring Length: 150mm
- Inside Diameter: 66mm
- Number of Turns: 6