The 8-piston brake calipers grip significantly more than the serial calipers The provided ABT steel-flex brake lines ensure an optimal pressure point at a consistent pedal force and an easy brake force regulation. ABT brake systems are of course provided with a German TÜV-approval. This sports brake system is ideal for sporty ambitious drivers. ABT sports brake system for front axle Ordernumber: 4E0600380VA consists of: - 8 piston calipers with ABT engraving - brake discs Ø 380 x 34mm - steel-flex brake lines for front axle - only in connection with 20" ABT wheels