Buy your Opel Manta wheels here
A 1975-08-01 Opel Manta has a 4x100 bolt pattern and a 57.1 center bore. On this model, lug nuts are used to attach the wheels to the hub. The recommended lug bolt thread is 12x1.50. The recommended wheel size is between 13 and 17 inches and the ET meassurement for this model is 37.