I have a set of Koni Yellow Shocks Which have the Ground Control Springs and Adjustable Perches. This is the kit with all four extended top hats.

Chassis: EG6/DC2
Shocks: Adjustable Koni Yellows (non-race version)
Springs: Ground Control with Adjustable Perches (Standard Rates 400/350)
Top Hats: Ground Control Aluminum Extended Hats (All 4 Corners)

These are still on my car, I will pull them off if I get a good offer.
Had these on the car for approximately 4 months now. They are in good condition.
Purchased these originally through Weksos, and the picture provided below is from their website.

Please note: The new price for this combo package is listed $1,135 on their website.

PRICE: $850 OBO

I am located in Downtown L.A. Area.
Text or PM for questions or offers.

818.331.9474
Sevak