GM 8.6" 10 Bolt Eaton Detroit TruetracGM 8.6" 10 Bolt Ring & Pinion Gear SetGM 8.6" 10 Bolt Master Bearing / Install KitUpgrade to Solid Pinion Spacer 1999-2006 Silverado 10 Bolt 8.6, Truetrac, Gear, Setup Kit$895.00PriceGear RatioSelectSpline CountSelectQuantityAdd to Cart