Hydro tappet set comparable to other well-known motorsport hydro tappets. Extremely light The G40/G60 hydro tappet set should be used when installing a sports camshaft to prevent engine damage and allow the engine to rev faster. When using Schrick sport camshafts, new hydro tappets must be installed, otherwise the warranty will be void! In the kit are 8 pcs. included. Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com