Parts & Accessories Spare parts Upper control arms from KSP company. Supports a lift of up to 5 inches maximum. Lubricatable. Leather and spare parts are available in the market. For your information, the control arms are new in their box and have never been used. Fits Sierra Silverado 2019-2026. Also fits Yukon and Tahoe from 2021-2026. Selling for offers, noting that their new price from abroad is 1400-1700.