Both new parts are to benefit the transmission set up, the first is the 20% harder compression spring and new Evo slider. Exchanging this with the stock part will give faster and more consistent acceleration.
Product code: AD/243.095
The second addition to the product range is a five shoe clutch kit which is used on the original clutch plate. The new clutch shoes are made of magical materials that allow for longer lasting and more consistent performance during all speed conditions. The calibration system that makes up part of the Polini kit allows for full adjustment enabling set up for the track or normal road use.