Cognito 11-19 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Front Sway BarDesigned to reduce body roll so you have better vehicle control and greatly improves traction for safer driving. These HD Sway Bars are developed for this specific application. Measuring 1. 5 Inch in diameter and made from heat treated and hot formed 4140 chromoly steel for extra strength and durability. Larger sway bar clamps and polyurethane bushings are included. Made in the USA. This Part Fits: Year Make Model Submodel 2015 2019 Chevrolet