GM 10 inch flip kit . This kit will drop your 1500 silverado a total of 10 inches with the flip kit alone . Kit includes upper and lower springs plates . Longer Ubolts are required. On gm 2007 and up models the abs bracket is required to be cut off your differential. Cutting the flip kit to fit the diff will result in flip kit failure. This item is sold as a pair a flip kit for each side of the differential. Design to center diff on the wheels well and help with pinion angle .