This Apec Coil Spring is designed for the rear axle of compatible Opel Vauxhall models. It features a spring design with a constant wire diameter, a length of 222 mm, an outer diameter of 142 mm, and a thickness of 13 mm. It is recommended to replace coil springs in axle pairs to ensure even wear and prevent premature failure. This part is compatible with Vauxhall Tigra (X04) 1.8 Rear models from 04 to 09 (Z18XE engine) and Vauxhall Corsa B, C 1.2 Rear models from 93 to 06. The part number is ACS1271. It fits on the Rear Axle Left and Rear Axle Right.