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, 1987 onwards (types LZ and SV) and Daewoo Nexia (1.5 OHC) Nexia and Espero (1.5 DOHC). Display packed.