Here are some Club Car performance items very reasonably priced, for those who live in the Houston, TX area.
http://houston.craigslist.org/spo/2637258125.html
http://houston.craigslist.org/spo/2637238769.html
http://houston.craigslist.org/spo/2637258125.html
http://houston.craigslist.org/spo/2637238769.html