KW Variant 2 inox-line – Perfect Street Performance
Sport Handling with adjustable rebound damping
This system intended for the experienced driver who does not only wish to determine the individual lowering of his vehicle, but also wishes to carry out setup adjustments. The adjustable rebound damper allows adjusting the pitch and roll behavior of the vehicle and therefore the driving pleasure can be adapted to the own requirements.
*Damping technology with individually adjustable rebound inox-line stainless steel technology
*Individually height adjustable
*Adjustment parameters approved by the German Technical Control Board (TÜV)
*Fully finished complete solution
*High-quality components for long durability
*Comprehensive documentation for easy use
Rebound damping
The rebound adjustment can be installed via an adjustment spindle at the piston rod end, as far as it is vehicle-specifically possible. The rebound damping primarily controls pitch and roll of the vehicle, especially in the low speed damping range which directly influences handling and comfort. Therefore vehicle can be adjusted to the needs of the driver, making the ride variable from comfortable to sporty and stiff, both with improved road handling.
KW valve technology
For each vehicle class and for every operational use, KW offers the optimal adjusted suspension, from comfortable, to sporty or performance-oriented. This demanding objective can only be achieved with the innovative, patented KW technology with an individually adjustable rebound- and compression damping. For this reason, we base our damping developments on twin-tube technology. With our 2-way pressure valve technology two, basically incompatible characteristics – dynamics & driving comfort – can be uniquely combined. Our Variant 3 allows adjusting the rebound damping forces completely separately from the compression adjustment. This allows optimal amount of traction to the road if so required. The determining factor for the overall adjustment is the fact that the compression- and rebound forces have no relation to each other – in other words: an alteration of the compression damping does not necessarily also involve an alteration of the rebound damping.
Lowering Range:
Front: 1.2"-2.3" Rear: 1.7"
Spring Rate:
Front: 830 Rear: Progressive
Fits:
Year | Make | Model/Submodel | Engine | Details |
---|---|---|---|---|
1997 | Audi | A8 Base | 3.7l V8 AEW | FWD, Sedan |
1998 | Audi | A8 Base | 3.7l V8 AEW | FWD, Sedan |
1999 | Audi | A8 Base | 3.7l V8 AEW | FWD, Sedan |
1997 | Audi | A8 Quattro Base | 4.2l V8 ABZ | AWD, Sedan |
1998 | Audi | A8 Quattro Base | 4.2l V8 ABZ | AWD, Sedan |
1999 | Audi | A8 Quattro Base | 4.2l V8 ABZ | AWD, Sedan |
2000 | Audi | A8 Quattro Base | 4.2l V8 AKB | AWD, Sedan |
2001 | Audi | A8 Quattro Base | 4.2l V8 AKB | AWD, Sedan |
2001 | Audi | A8 Quattro Base | 4.2l V8 AUX | AWD, Sedan |
2002 | Audi | A8 Quattro Base | 4.2l V8 AKB | AWD, Sedan |
2002 | Audi | A8 Quattro Base | 4.2l V8 AUX | AWD, Sedan |
2000 | Audi | A8 Quattro L | 4.2l V8 AKB | AWD, Sedan |
2001 | Audi | A8 Quattro L | 4.2l V8 AKB | AWD, Sedan |
2001 | Audi | A8 Quattro L | 4.2l V8 AUX | AWD, Sedan |
2002 | Audi | A8 Quattro L | 4.2l V8 AKB | AWD, Sedan |
2002 | Audi | A8 Quattro L | 4.2l V8 AUX | AWD, Sedan |
2002 | Audi | S8 Base | 4.2l V8 AYS | AWD, Sedan |
2003 | Audi | S8 Base | 4.2l V8 AYS | AWD, Sedan |
KW - made for winners!For many years, the KW automotive GmbH is the epitome for premium products in car tuning and automobile refinement. KW offers its customers the largest suspension program world-wide. The entire assortment ? from springs over sports suspensions to coilover suspensions ?inox line? in three damping versions ? such a variety of products is unsurpassed on the market. Moreover, KW automotive GmbH develops racing solutions for national and international motor sports. The racing program KW competition is successfully used by numerous racing teams on many race tracks around the world.
KW automotive North America Inc. is also an important partner for a large number of renowned companies in the automobile industry. An enormous number of refiners and manufacturers of large- and small scale series likewise rely on the suspension competence of KW automotive North America Inc.
The company was founded in 1995 and at the beginning it only existed of three employees and had an operating area of 1600 sq.ft. Today, KW automotive GmbH is represented all over the world and has approx. 200 employees in five locations. After numerous expansions at the company headquarters in Fichtenberg, the overall production- and floor space now stretches over 247,500 sq.ft. The continually growing delivery program includes many thousand applications.
Apart from the KW suspension solutions, the brand LSD-Doors is also a company under the umbrella organization KW automotive GmbH. The patented wing-door refining kits ? one of the most extraordinary vehicle modifications ? are available for nearly all established car brands. The unique door hinge system makes it possible to open car doors upwards like in a Lamborghini. The serial hinges are replaced by vehicle-specific LSD fittings. The original doors are maintained.
Moreover, also the brand WEITEC belongs to the KW automotive GmbH. The favorable suspension program offers convincing driving characteristics and a unique price-performance ratio for beginners.
Innovative test procedures
In 2006, a state-of-the art 7-post drive dynamics test stand has been put into operation at the KW automotive GmbH headquarters in Fichtenberg. This test stand can simulate different race track conditions. There are only 15 such hydraulic test stands available around the world and most of them are used by Formula 1 teams for their research and development measures.
The KW automotive GmbH also uses this innovative test opportunity for the developing new suspensions and optimizing suspension set-ups. Moreover, the suspension expert offers all interested racing teams and commercial partners the possibility, to carry out future vehicle adjustments with the help of its 7-post drive dynamics test stand at its test centre in Fichtenberg.
For the teams this enormously saves both costs and time, as all vehicle-relevant race track characteristics can be simulated with this test stand without exposing the car to unnecessary wear. This technology offers the company KW unprecedented test opportunities for applications in the automobile industry and in motor sports.
Motor sports- and commercial partner
KW automotive GmbH is a commercial partner and also the partner of various motor sports teams. For the high-performance prestige products by Mercedes-AMG ? SLK 55, CLK 63 and SL 65 AMG Black Series ? KW has developed a special suspension which meets the high demands by Mercedes-AMG.
Already for some years, KW is the official development- and production partner of Roush Performance from the United States. KW automotive GmbH equips all high-performance Ford Mustang models by Roush with KW sports suspensions in different adjustments. Moreover, KW co-operates with Chrysler USA whose Viper SRT10 ACR has entered the market in 2007.
The race car which has 600 hp and is only available in a limited edition is based on the Dodge Viper 2008 and is equipped with a KW coilover suspension which KW especially developed for Chrysler.
For many year, the suspension technology KW competition is successfully used by renowned teams at numerous racing series around the world, e.g. the 24h-race at the Nürburgring, the BFGoodrich long distance championship, the World Touring Car Championship (WTCC), the FIA GT and many more.
In early 2005 Belltech and its sister company Suspension Techniques joined the team of KW automotive North America, Inc, the North American arm of KW automotive GmbH, Germany.
As part of KW automotive North America, Inc Belltech continues its growth in product development and technology advancement along with its three sibling companies: KW Suspensions ? The world leader in height and dampening adjustable coilover suspension systems for the street and the track, featuring exclusive Inox Stainless Steel Construction.
LSD Doors - The worlds only crash tested and approved Lambo Style Door systems
Suspension Techniques
Since this time, Belltech has seen a large boost in its technology and engineering capabilities with the inclusion of KW Automotive GmbH?s dynamic race proven suspension design & technologies including testing and tuning of complete vehicle dynamics on KWs own 7-post Dynamic Testing Rig.
With the newer SUVs and trucks now coming equipped with independent front and sometimes rear suspensions Belltech has the exclusive expertise, experience and technology to handle any and all new suspension challenges in the future.
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KW North America will NOT accept ANY returns if the part/parts have been installed, painted or modified.
How much can I lower my car with KW?s? Each KW application is designed to operate in the usable suspension range of each car. KW?s engineers have done extensive testing with each application and have developed suspension that will lower your car as much as is safely possible. Please check our application guide to see the lowering range for your specific application.Why do some KW V3?s have a ?reservoir? and some do not? The reason why some V3?s have the ?reservoir? and some don?t is for a couple of reasons.
1. Twin tube shock absorbers require a certain amount of ?airspace? inside to allow for oil displacement as the piston rod compresses. On applications where the shock is vertical, or almost vertical, the ?airspace? is at the top of the shock, and will not come in contact with the piston. On applications where the shock is inclined, the ?airspace? has the possibility of coming in contact with the piston, creating ?foaming? of the oil inside the shock. This ?foaming? will create inconsistent dampening and poor handling of the vehicle. In these circumstances, a ?reservoir? can be used to relocate the ?airspace? and allow for an inclined installation.
2. On some applications, the combination of certain valve components will create an undesirable harmonic which becomes very annoying during daily driving. With the use of a ?reservoir?, the shock can be pressurized and the undesirable noise will be eliminated.
The ?reservoir? on a V3 is not the same as a ?reservoir? on one of KW?s 3-way race shocks. There is no adjustment, or performance advantage of the ?reservoir? on a V3, whereas on the 3-way Race shock, there is both a performance advantage as well as shock adjustments located on the reservoir.
How do I adjust my KW suspension? Adjusting the KW Variant 3, Bump/compression: The compression forces can be adjusted on our patented 2-way bottom valve. Access to the bump valve in most instances is found on the bottom of each shock case. Hardness adjustment on the rebound valve is made on the end of the piston rod with the supplied setting wheel or with a 2mm Allen key.
Adjusting Bump: Bump forces, especially on low damper speeds, have a great influence on handling and driving behavior of your car. The setting of the bump forces will be made from the bottom of the shock case. Behind the adjusting groove you gain access to a knob with 4 holes. With the supplied small pin, the adjusting knob can be turned a quarter per turn in either direction. Smaller increments are possible. Before performing any adjustments, the valve must be closed by turning the adjuster in the full clockwise direction. In this position, the shock will be at full hard, or ?maximum power?. From here, the adjustment range is 8 x turns (2 full revolutions). To avoid the mismatch of the dampers when actively changing settings, you should close the valve from time to time to re-calibrate the settings from side to side.
Bump adjusting principles: Generally, hard low speed bump settings will stabilize the corresponding axle (less oversteer on the rear, for example) or offer the front a more precise steering response. Too much low speed bump power will decrease grip! Depending on the valve configuration found inside the kit, maximum bump forces will not influence the suspensions response when encountering hard bumps, such as curbs on the racetrack.
Adjusting Rebound: The rebound adjustment is made in most cases on the end of the piston rod, with the supplied adjustment wheel. In some mounting situations it must be done with a 2 mm Allen key from the top (Audi A4 front) or in a groove on the upper mount. Before performing any adjustments, the valve must be closed by turning the adjuster in the full clockwise direction. In this position, the shock will be at full hard. From here, you can set the valve within our average 3 to 5 revolution adjustment range.
Rebound adjusting principles: Generally, low rebound settings provide a comfortable ride at low speeds, but decreases stability at higher speeds, especially on the front axles. Too much rebound will cost vehicle grip. Depending on the drive train configuration of the car, rebound setting for the rear axle will vary.
Rear and four wheel drive cars: In most cases, the rear shocks will be set with low rebound power. Except, when equipped with very hard springs, higher rebound forces will be required.
Front wheel drive cars: Street driven applications will seldom require the shocks to be set with high Rebound forces. In the event somebody wishes his car to over steer, these high rebound forces on the rear will be explored.
Attention! Do not turn the adjusting spindle by force when you reach the end of the adjustment range, this may damage the fine valve inside the system!
How much warranty do I have on my KW?s? All KW street suspension comes with a limited lifetime warranty against any manufacturing defect. For any warranty inquiries, please call 559.875.0222.
What makes the 2-way race shock different from the V3? The 2-way race shocks are developed exclusively for track use and are built to handle the extra stresses that they are exposed to. The 2-way race shocks are built from galvanized steel for added strength, where as the V3?s are built from INOX Stainless Steel, to deal with being exposed to harsh weather, and to fight corrosion. The 2-way race shocks are specifically valved for use on the race track, and use a linear spring in all applications. The V3 is valved specifically for maximum street performance. The V3 also uses a progressive spring in some cases.
How do I get a new spanner wrench for replacement parts for my KW?s? If you need wrenches or parts for your KW coilovers, your KW dealer will be able to order any parts you may require.
Can I run a different spring rate? KW?s engineers have worked very hard to match spring rates to the vehicle specific dampening rates inside each KW strut and shock absorber. This provides a very sporty and improved feel while still retaining a very comfortable ride. While on some applications, it is possible to change the spring rate, changing spring rates will ultimately compromise the perfect balance of performance and comfort that has been designed into the KW line of suspension products.
Why doesn?t KW offer a threaded adjustable shock body? There is no need for an adjustable body, as KW?s are engineered for each specific application, and are not just a ?universal? shock body like other manufacturers offer. Each KW application is designed to operate in the usable suspension range of each car. KW?s engineers have done extensive testing with each application and have developed suspension that will lower your car as much as is safely possible.
My helper spring is fully compressed, is this normal? Yes, that is how it is designed. When your suspension is fully extended, the main spring is free to move around and can come dislodged from its perches without a helper spring. The helper spring is only there to retain pressure on the main spring when the shock is fully extended so that the main spring stays in place.
Why doesn?t KW provide a rating on its progressive springs? Progressive springs do not have a ?set spring rate?. As a progressive spring compresses, the spring rate increases, unlike a conventional linear spring. This makes it impossible to put a specific rate on the spring because at different points in its travel, the spring rate will be different.
I would like to purchase a race kit for my car, but I don?t see it listed in your application guide. KW specializes in building custom suspension in very low production numbers. KW can custom build suspension for any application from a 1912 Mercedes-Benz, to a current Formula 1 car and everything in between. Please contact us to discuss having your custom race suspension built.
KW Automotive North America is open from 8:00 AM to 5:00 PM Monday thru Friday PST. We are closed weekends and major US holidays. You can call us at 559-876-5920.