Good-Win Racing Mazda Performance Parts

Ground Control Miata Coilover Conversion 700/450


Miata 1990-2005 · Suspension · Coilovers

Part Number: 20-1067stss

Application: 1990-1997

Price: $429.00


Ground Control Miata Coilover Conversion 700/450
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Adjustable coil-overs allow easy adjustment of Miata ride height and the ability to adjust the weight at each corner. With this simple sleeve design, any shock can now be a race ready coil-over.

Ride height is adjustable from stock to 2" lower and more. All aluminum CNC manufacturing makes for light weight parts with smooth and precise adjustment. Performance shocks are recommended. Hardcore CSP kit, 90-97, Not Sport Suspension.

These drop ship direct from Ground Control and they consider this spring combo a custom order spring rate which means you should assume about two weeks ordering time if we don't have it on shelf (feel free to ask).

Also, note that this is TOO MUCH spring for standard off-the-shelf Miata KONI sports or Miata KYBs or Tokicos. You can either use our Miata KONI RACE shocks which are on this website or you can have standard Miata Koni Sports re-valved for the purpose. We strongly recommend our Koni Race shocks! We will ASSUME KONI shock application for these kits unless you tell us otherwise.

YES, price is FULL KIT of FOUR SPRINGS and FOUR threaded collars, etc.

*** Product images may differ from actual product appearance ***


Hi Brian, I just bought a heatshield and a cruise control relocation bracket for my '95 Miata from you. It is in the mail now. Thanks for such fast service. (My cruise is just wrapped up in a microfiber shoprag at this time!)

-- Bob

First I want to again thank you for working with me on this muffler. I have almost 100 miles on it now, and it has a nice mellow sound. a little Bass, but not too much. A little louder than stock, but not too loud. Plus it is nice inside the car with the top up. I am happy so far I bought this one.

I belong to a local Miata club, and am very active with it. When Spring comes I will tell everyone how much I like the muffler, and how great you are to work with. Maybe I can get some extra business for you.

-- Bill