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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
Available for the following models:
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