88-96 C4 Corvette JRI Rear Coilover Kit



This is a complete bolt-on rear coilover kit for 88-96 C4 Corvettes.  The kit features premium all-aluminum JRI coilover shocks that are built specifically to After Dark Speed specifications based real world competition and testing with the After Dark Speed 1994 C4 Corvette autocross car.  This kit also includes specific springs that are optimized for this kit and autocross/track use.  Specific custom spring rates can be requested.

The kit is optimized around a 1″ to 1-1/2″ drop from stock and exact height is easily fine-tuned with the coilover adjuster nuts.  The coilover kit makes spring changes very easy so you can tune the ride and balance of the car.  There is also a large selection of spring rates available.  The factory C4 composite leaf springs are only available in a very limited number of rates and some are difficult to find now.  The default included spring rates are based on what the After Dark Speed C4 autocross car is running.


Select non-adjustable, single-adjustable, or double-adjustable versions (double-adjustable is recommended for autocross and competition use).


All hardware required to install is included. 

Shock and coilover adjusting tools included.

Initial setup information provided in the instructions.

100% made in USA





Additional information

Weight 24 lbs
Dimensions 30 × 8 × 8 in
Shock Type

Non-Adjustable, Single-Adjustable, Double-Adjustable


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