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K-Mac Rear Camber & Extra Toe Adjustable Upper Arm Kit Mercedes-Benz W166/X C292 | W164/X | W251 | W163 1997-2018

$695.00

K-Mac Suspension

Model #504126N


Shopper Award

What would you expect being the longest established Most Experienced Adjustable Strut Plate and Bushing Kit with proudly "In House" Manufacturer-Not Sourcing imports/relabeling. Allowing total control over quality and with it rapid, constant Design improvents (Do appreciate any constructive ideas you can suggest in how we can further increase our market leadership).

Rear Adjustable "Upper Camber Arms" With K-mac not Soft Extruded Aluminum-But security of High Strength Chromoly Steel with proven long term maintenance free performance Bushings. Turnbuckle adjustment on vehicle (Pos. or Neg.).

Included: Essential TOE adjustment-to compensate for the new Camber facility. Easy to install-Replacing and doubling the existing Toe adjustment bushes.

Genuine K-mac Performance Bushings Since 1964-Designed for absolute maximum adjustment range. Strongest and longest lasting. Featuring twice the load bearing area of OEM bushes. Hardened teethed nickel chromed steel centers with spiral grease grooves. Hardened teethed external steel washers. Double length nuts. Fail safe lock system. With the K-mac unique patented Design there is no more dis-assembly required each time an alignment setting needs to be changed-just a single wrench to adjust accurately (under load) direct on alignment rack.

Result: Finally-Not only replacing the 4 rear highest wearing bushings but also the adjustment capability to fix it right the 1st time-to resolve costly premature edge tire wear and improve traction (a result of altering height, load carrying, fitting wide profile tires/wheels, load carrying or curb knock damage). Along with ability to improve traction and understeer/oversteer.

On Track Days: Ability To Dial In "Extra Negative Camber" To Significantly Reduce Understeer, in the pursuit of hitting those corner apexes every time and allowing to go deeper into the corners with increased traction and braking response. With the result of further lowering lap times in the quest for front row of the grid on race days!

Also See Complete Range Of K-mac Rear Bushings-Camber (And Extra Toe) Adjustable. Also precise single wrench on car accurately under load-Moving bottom of tire inwards ( or out for extra track width ), unlike rear upper Camber arms that are difficult to access/adjust and need to reduce important clearance "top of tire to outer fender" when wanting to reduce premature inner edge tire wear.

Along With Popular "Uprated" Bushing Kit For The '6' Multi Link Rear Arms. Tauter response-Less twitch/flex, loss of traction. Especially When Applying Power To Lane Change/overtake.

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

https://www.P65Warnings.ca.gov

Vehicle Engine Notes
2016-2017
Mercedes-Benz G550

2016-2017
Mercedes-Benz G63 AMG

2016-2017
Mercedes-Benz G65 AMG

2016
Mercedes-Benz GLE250

2016-2017
Mercedes-Benz GLE300d

2016-2018
Mercedes-Benz GLE350

2015-2018
Mercedes-Benz GLE400

2015-2018
Mercedes-Benz GLE43 AMG

2015-2018
Mercedes-Benz GLE450 AMG

2016-2018
Mercedes-Benz GLE500

2016-2018
Mercedes-Benz GLE550e

2015-2018
Mercedes-Benz GLE63 AMG

2015-2018
Mercedes-Benz GLE63 AMG S

2011-2016
Mercedes-Benz ML250

1998-2005
Mercedes-Benz ML270

2009-2011
Mercedes-Benz ML300

1998-2011
Mercedes-Benz ML320

2002-2016
Mercedes-Benz ML350

2002-2005, 2011-2018
Mercedes-Benz ML400

2006-2009
Mercedes-Benz ML420

1998-2001
Mercedes-Benz ML430

2010-2011
Mercedes-Benz ML450

2002-2015
Mercedes-Benz ML500

2000-2005
Mercedes-Benz ML55 AMG

2008-2016
Mercedes-Benz ML550

2007-2016
Mercedes-Benz ML63 AMG

K-Mac Suspension Logo

Who Is K-MAC Suspension?

For over 50 years, K-MAC Suspension has been recognized as one of the top suspension leaders in the industry. Since its inception in 1964, K-MAC has been designing, manufacturing, and race testing its adjuster kits and bushings – longer than any other competitor! In fact, K-MAC is the only brand approved by race safety scrutineers for use in highly stressed environments like competitive racing. K-MAC’s camber and caster adjuster kits reduce uneven, premature tire wear, improve traction and high-speed directional stability, resolve steering pull, and allow ongoing adjustments for accident damage, curb knocks, or race/rally settings.

The Birth of the Brand

By the 1990s, the majority of new car manufacturers removed camber and caster adjustments from their assembly lines to save on costs and time. This means that modern vehicles were being built with only toe adjustments. Front toe adjustments, however, only alter the wear position and actually increase the overall wear rate. 

K-MAC Suspension saw the need for change and set out to design and manufacture a complete “bolt-on” range of front camber and caster kits and rear camber and toe kits. This mission was taken on to satisfy the demand from motorsport and competition driving enthusiasts, as well as frustrated consumers with expensive tire wear problems brought. The premature wear issues were being brought on by altered suspension heights, carrying extra loads, curb knocks, driving on cambered roads, and subsequent inner edge tire wear. The aforementioned problems were/are further exacerbated by the fitment of wide low-profile tires.

Why Choose K-MAC Suspension?

K-MAC has been hard at work for over five decades developing a solution to the modern era vehicle suspension problem. As a result of the elimination of fully adjustable suspension systems, increased tire wear and more frequent replacements become a common occurrence. The company has developed a number of patented innovations in camber/caster plates and bushing kits, allowing easy adjustment and a true full four-wheel alignment to be performed by reputable shops. K-MAC’s bushings make camber adjustments possible for the first time and improve the ability to properly complete toe-angle adjustments during alignments.

The benefits of K-MAC’s kits include: straightforward bolt-on installation; easy adjustments on the car with basic hand tools; exclusive failsafe locking hardware; high-quality elastomer compound resists binding; spiral grease grooves; twice the loading area of stock bushings; and hardened, nickel-chrome-plated centers for maximum bushing longevity. 

Purchase K-MAC Products at Vivid Racing

If you are looking to take improve your vehicle’s suspension, then you have come to the right place. Vivid Racing carries a comprehensive lineup of K-MAC Suspension parts, which includes handling arms, mounts, camber bolts, and bushings for a variety of different makes and models. Please do not hesitate to contacts us with any questions you may have regarding K-MAC, its products, or fitment concerns. You can reach Vivid Racing’s expert parts team at (480) 966-3040.

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