I bent this lever on my Saturn (pothole?), the local car dealership wanted almost $80 so the price here was fantastic. Received in a few days, perfect fit, took some effort to install but no special tools needed. This product includes a new castellated nut and cotter pin that was not listed and desired. Has it improved my car's performance? I can't say for sure, but I'm pretty sure the curved part isn't good enough for this, and I doubt I'd be able to get it back into shape myself without the…