QA1 offers stock mount aluminum double, single, non-adjustable and sport series shocks for the rear of 63-83 Corvettes. With their great look, high performance handling and unbeatable price, you can't go wrong with these smooth body shocks. Made in the U.S.A., Easy, Bolt-In Installation, No Cutting or Welding Needed, Non-Coil-Over, Lightweight Aluminum, Stock Mount, 100% Dyno Tested and Serialized, Rebuildable and Revalveable by the QA1 Factory or QA1 Authorized Service Centers.