Complete hydraulic cam follower set suitable for all 2.7L biturbo engines, e.g. in the S4 and RS4 B5. Should be replaced when renewing camshafts or the change to sports camshafts, otherwise the guarantee is lost! The upper tread is specially coatet and therefore reduces the wear. Complete kit consisting of 30 hydros for all 2.7L engines. BEST camshaft follower on the market! Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com