RCK52378 Rear Pro Coil Shock System,1977-1996 GM B-Body, Double Adjustable

QA1 now offers bolt-in rear coil-over shocks for 1978-1996 GM B-bodies. These shocks are available in single or double adjustable valving options. Single adjustable shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double adjustable shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for a total of 324 possible valving combinations. These shocks also utilize a fully threaded body allowing for the use of after market springs. With our highly popular adjustable front shocks and the addition of the rear coil-over shocks, you can now get a complete suspension makeover for both ends of the vehicle. Made in the USA, Easy, Bolt-In Installation, No Cutting or Welding, Threaded Body, 100% Dyno Tested and Serialized, Rebuildable and Revalveable by the QA1 Factory or QA1 Authorized Serivce Centers.