Rear Pair of 2-1/2" Billet Aluminum Coil Lift Spacers for 1963-1972 Chevrolet & GMC Trucks. (see below for exact applications) These easily installed, billet aluminum lift spacers are perfect for a sagging rear-end or if you are looking for some added lift for bigger tires. Anodized for corrosion protection and designed for a long-life. ---SOLID BILLET ALUMINUM: Stronger & More Durable than Cast Aluminum, Poly or Plastic ---GOLD ANODIZED: For Superior Protection ---Costs Less than New or Custom Springs ---Kit Includes Grade 8 Hardware & Instructions ---100% MADE IN THE USA! ---Lift Amount = 3" ---1/2", 1", 1.