4003 is a compound that was specifically developed for lighter cars (Formula 3, Formula Ford, Formula VW, Formula Renault, Formula Campus) and occasionally for Rally use.
The main characteristics of 4003 are:
- Average friction coefficient 0.46 over working temperature range of 200°-450°C
- Very short bedding time
- Excellent bite
- Low drag & Excellent release
- Offers control to avoid wheel lock when downforce reduces
Dynamometer simulation of Touring Car front axle. All materials are included for comparison purposes, even if some would not be recommended for that application.