The Cognito SM Series LDG Traction Bar Kit feature heavy-duty boxed sheet metal construction and adjustability that enables you to control unwanted axle wrap, without restricting suspension travel.The all-new Cognito SM Series Limited Dynamic Geometry (LDG) Traction Bars delivers class leading performance without sacrificing ride quality. Engineered with precision adjustability, the SM Series Traction Bars give you the ability to quickly and precisely adjust your traction bars to minimize dreaded axle-wrap without restricting suspension travel.The Cognito SM series heavy-duty (boxed Sheet Metal) construction and signature design, deliver both optimum performance and unique looks that will make your vehicle stand out in the crowd. Made in the USA.. Cognito 11-19 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD SM Series LDG Traction Bar Kit. SM Series LDG Traction Bar Kit 2011-2019 GM 2500HD/3500HD w/ 0"-5.5" Rear Lift. After-Installation Adjustability for Optimum Performance. Heavy-duty Boxed Sheet Metal Construction. Unique Cognito Design Package. Limited Lifetime Warranty. Lift Height: 0-5.5 Inch. Made in the USA. Traction Bar

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