1975 model-year Opel front caliper, rebuilt. 2 required per car. Commonly installed as a "big brake" upgrade on other Opel models, in combination with larger rotors (part #4002), larger pads (part #4010), hoses (part #4044s) and additional hardware. (Also see our #4024 set). Note: Wheel clearances can vary. Availability can vary on this item.