Good-Win Racing Mazda Performance Parts

Ground Control Coilover Conversion 375/250


Miata 1990-2005 · Suspension · Coilovers

Part Number: 20-1068

Application: 1999-2005

Price: $429.00


Ground Control Coilover Conversion 375/250
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Adjustable coil-overs allow easy adjustment of 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. Base CSP kit 375 front, 250 rear, 99-05, Not Sport Suspension

We can do CUSTOM spring rates on request! WE ASSUME KONI SHOCKS unless you tell us otherwise!

BRIAN'S APPLICATION NOTES: I daily drove this combo for many years. This combo was designed for the dual purpose Miata user, somebody driving their Miata to work and then racing it on the weekend. It's a compromise between full race setups like 700 pounds front, and the stock rates that are well under 200 front. It's a racing combo you can drive every day without getting beat up. Front spring is 6 inches, rear is 7 inches.

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


Hello Brian, the swaybar and endlinks came in today. I am very pleased with the packaging and it arrived on time. Also thank you for excellent customer service and correcting my order no-hassle. I will definitely be ordering from Good-Win Racing again.

-- - Christopher

I absolutely love my Roadster Sport headers, mid pipe and Q muffler. I have owned a lot of cars over the years and the quality of your product is truly exceptional. The ability to tune the Super Q is very much appreciated.

-- Tony G.