Expert Quality, manufactured from EN8 carbon steel plate hardened and tempered with zinc plated finish. Adjusts the tension of the timing belt, by rotating the waterpump. Suitable for GM (Vauxhall/Opel) engines size: 1.6, 1.7D and 1.8 pre 1987 and 2.0 1987 onwards and Daewoo Espero (1.8 and 2.0 SOHC). Display packed.