QA1 offers aluminum shocks for your 84-87 Corvette available in double, single and non-adjustable valving options, allowing for your choice of adjustability. With its great look, high performance handling and unbeatable price, you can't go wrong with a QA1 Corvette 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.