Modification parts for Sierra from 16 - 18 Oxyde company biscuits 3 cm new Solastic comfort shims with all their accessories, new Of course, the parts were bought from Rtruck and I haven't installed them because I sold the car. So whoever wants something good and new with a good price, please contact me on WhatsApp. The price is 2000, please don't negotiate or call if it's less. If you agree to the price, God bless you. Contact me, thank you.