I sold 6 out of 9 items in the first day I listed them on craigslist.com and it's free.
No auctions, and no hassles with packaging and shipping.
Also there is a classified section here on irv2.
'98 Gulf Stream Sunsport 325, 7.5L Banks Power Pack, Koni FSD's, Air Bags, ReadyBrute Elite,
2000 Honda Accord