Well if you want new pieces you could try looking online or eBay specifically but you are looking at spending $40 or more per piece. I am in California so what I have done is hit up the local junkyards. You just need a philips screwdriver to remove them be careful to not bend them when you remove them. If you are going that route try practicing removing on a couple bad pieces before removing a good one if you can. Depending on the junkyard you can come away with both sides for under $30. And if you find good ones get several. I have a spare good pair for when or if the ones I have now start to go bad.