Audi, 4000 Coilovers

Quattro

Eibach
Ground Control

Eibach

Eibach Pro-Street Coilovers, Audi 4000

Eibach Pro-Street Coilovers uses the very same Eibach technology that is used in Formula 1 race cars, you can get each corner of your vehicle looking and performing its very best. Eibachs exciting new Pro-Street, Coil-Over Spring/Damper Packages let serious drivers quickly adjust the ride height and corner weight of each individual wheel, giving them ultimate flexibility for precise street and track tuning. Eibach ERD Racing Dampers and ERS Racing Springs are used in top-level racing series all over the world. We have used this experience, gained from many decades at the highest levels of International Motorsport, including Formula 1, NASCAR, CART, IRL, Super Touring Car and the World Rally Championship, to put these technological masterpieces into the hands of performance enthusiasts everywhere.

Ground Control

Ground Control Coilovers, Audi 4000

Improve the suspension of your racecar or street car with Ground Control suspension products. We offer racing and street car suspension products designed exclusively by us to improve the handling of your car. We offer street shocks and struts, adjustable racing shocks and struts, custom springs, kits for adjusting ride-height, adjustable camber/caster plates, adjustable sway bars and more. Whether you"re racing or you just want better handling, we have what you"ll need to set up the suspension on your car for optimum performance. Ground Control, THE suspension experts.

Please note that Ground Control coilovers are sleeve/spring type coilovers!
Please check out notes for the following letters A-H

A) some shocks/struts require grinding/machining to fit coil-over hardware
B) removal of stock spring seat and welding required
C) removal of stock spring seat and welding optional for added tire clearance and range of adjustment
D) trimming of stock spring seat allows added range of adjustment
E) removal of stock spring seat required
F) includes new upper mounts and must be used with machined aftermarket struts specified
G) includes new upper mounts
H) must be used with specified shocks supplied by Ground Control (discounts do not apply to shocks

Tanabe

Tanabe Coilovers: TEAS (Tanabe Electric Active Suspension), Audi 4000

TEAS stands for 'Tanabe Electric Active Suspension and is the counterpart of the new Sustec Pro FIVE & Sustec Pro SEVEN suspension. This compact unit is the brain behind the highly sophisticated new Tanabe suspensions. TEAS is a fully programmable dampener controller that allows for dampening force to be automatically adjusted while driving. TEAS accomplishes this by connecting and using the signal from the vehicles Speed Sensor.

Remote dampening control from within the vehicle is not a new concept by any means. In fact, many Japanese vehicles from the 1980's including the FC3S RX-7 and MA70 Supra had buttons to change dampening ; Unlike other controllers that are simply an update of this older technology, TEAS is a much larger step towards highly digital advanced suspension control and tuning through its speed sensing TEAS active dampening control is uniquely possible due to the use of the specialized valving of the SEVEN, in conjunction with TEAS; slim, high speed actuators. These actuators change dampener settings in 1/100ths of a second, which is necessary as TEAS can continuously change settings at different speeds.

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