Hello everyone. I just bought my car few months ago Its R31 RB30 N/A GXE auto 1990 . and soon will convert to manual. I fixed few things myself: Change the engine oil and filter. Fuel filter. Air filter. Brake pads. Fan clutch. Radiator flush Horn. Install water temperature gauge. . Bushes (mechanic) as its done for roadworthy. And tires as well. . ANYWAY , I have an advance extractor comes with the for $50 extra, it's almost new, I take off the shield and find out the studs missing 2 the left side and 2 the right side. I guess the already broken, anyway I tried to take off the rest but first one brakes straight away, so I stopped. I took to mechanic and quoted "$500 with new stars end nuts"!! I said to him I have it with me then he said "$400"!!!! Is that a normal price or he trying to fool me or something? Cheers guys