These Polini counterpressure springs decrease pressure by 10%, making them ideal for light tuning. Variator must be calibrated if springs are changed.
- Original Spring Loading: 64/87mm/kg
- Polini Spring Loading: 64/55mm/kg
- Spring Thickness: 6.6mm
- Spring Length: 116mm
- Inside Diameter: 67mm
- Number of Turns: 6
