QA1 Stocker Star Series Rear Shock Absorber - Single Adj. - 10.5in/14.375in - AluminumQA1 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