Superlift 11-19 Chevy Silv/GMC Sierra 2500/3500 HD 6in Lift Kit - Knuckle Kit - Bilstein Shock Box

Established in 1975, Superlift remains a pioneer in the industry, and is one of the few suspension companies operated by true truck and off-road enthusiasts. We are passionate about trucks, wheeling and an outdoor lifestyle that go hand-in-hand. We can talk the talk because we walk the walk.This question.... ''What's best for the customer?''... is always at the top of our list in everything we do, from product planning and design to customer service. This simple guiding principal has served us well for decades, and will continue to guide us into the future.We are proud to provide the truck, Jeep and SUV owner products that perform better than advertised. We understand that most people spend the majority of their windshield time on-road, and our designs reflect this. You will be 100% satisfied with our products on-road or off - we guarantee it! Determining what product is right for your vehicle and lifestyle can be a complicated task, especially with so many companies and options to choose from. We urge you to carefully research your purchase. Most lift kits represent a considerable investment, and you will literally live with your choice for years. Talk to fellow off-roaders, and your local automotive specialty shop before making a purchase. We love to talk shop, and we encourage you to give our tech staff a call. Bottom line... if you do your homework, you'll discover that we've done ours. BILSTEIN 5100 SERIES SHOCK PACK-6 Lift 2011-2018 Chevy Silverado/GMC Sierra 2500HD or 3500 2WD & 4WD 2011-2021 Chevrolet Silverado 2500 HD 4WD, 2011-2021 Chevrolet Silverado 3500 HD 4WD, 2011-2021 GMC Sierra 2500 HD 4WD, 2011-2021 GMC Sierra 3500 HD 4WD Fitment 2011 Chevrolet Silverado 2500 HD LT 2011 Chevrolet Silverado 2500 HD LTZ 2011 Chevrolet Silverado 2500 HD WT 2011 Chevrolet Silverado 3500 HD LT 2011 Chevrolet Silverado 3500 HD LTZ 2011 Chevrolet Silverado 3500 HD WT 2011 GMC Sierra 2500 HD Denali 2011 GMC Sierra 2500 HD SLE 2011 GMC Sierra 2500 HD SLT 2011 GMC Sierra 2500 HD WT 2011 GMC Sierra 3500 HD Denali 2011 GMC Sierra 3500 HD SLE 2011 GMC Sierra 3500 HD SLT 2011 GMC Sierra 3500 HD WT 2012 Chevrolet Silverado 2500 HD LT 2012 Chevrolet Silverado 2500 HD LTZ 2012 Chevrolet Silverado 2500 HD WT 2012 Chevrolet Silverado 3500 HD LT 2012 Chevrolet Silverado 3500 HD LTZ 2012 Chevrolet Silverado 3500 HD WT 2012 GMC Sierra 2500 HD Denali 2012 GMC Sierra 2500 HD SLE 2012 GMC Sierra 2500 HD SLT 2012 GMC Sierra 2500 HD WT 2012 GMC Sierra 3500 HD Denali 2012 GMC Sierra 3500 HD SLE 2012 GMC Sierra 3500 HD SLT 2012 GMC Sierra 3500 HD WT 2013 Chevrolet Silverado 2500 HD LT 2013 Chevrolet Silverado 2500 HD LTZ 2013 Chevrolet Silverado 2500 HD WT 2013 Chevrolet Silverado 3500 HD LT 2013 Chevrolet Silverado 3500 HD LTZ 2013 Chevrolet Silverado 3500 HD WT 2013 GMC Sierra 2500 HD Denali 2013 GMC Sierra 2500 HD SLE 2013 GMC Sierra 2500 HD SLT 2013 GMC Sierra 2500 HD WT 2013 GMC Sierra 3500 HD Denali 2013 GMC Sierra 3500 HD SLE 2013 GMC Sierra 3500 HD SLT 2013 GMC Sierra 3500 HD WT 2014 Chevrolet Silverado 2500 HD LT 2014 Chevrolet Silverado 2500 HD LTZ 2014 Chevrolet Silverado 2500 HD WT 2014 Chevrolet Silverado 3500 HD LT 2014 Chevrolet Silverado 3500 HD LTZ 2014 Chevrolet Silverado 3500 HD WT 2014 GMC Sierra 2500 HD Denali 2014 GMC Sierra 2500 HD SLE 2014 GMC Sierra 2500 HD SLT 2014 GMC Sierra 2500 HD WT 2014 GMC Sierra 3500 HD Denali 2014 GMC Sierra 3500 HD SLE 2014 GMC Sierra 3500 HD SLT 2014 GMC Sierra 3500 HD WT 2015 Chevrolet Silverado 2500 HD High Country 2015 Chevrolet Silverado 2500 HD LT 2015 Chevrolet Silverado 2500 HD LTZ 2015 Chevrolet Silverado 2500 HD WT 2015 Chevrolet Silverado 3500 HD High Country 2015 Chevrolet Silverado 3500 HD LT 2015 Chevrolet Silverado 3500 HD LTZ 2015 Chevrolet Silverado 3500 HD WT 2015 GMC Sierra 2500 HD Base 2015 GMC Sierra 2500 HD Denali 2015 GMC Sierra 2500 HD SLE 2015 GMC Sierra 2500 HD SLT 2015 GMC Sierra 3500 HD Base 2015 GMC Sierra 3500 HD Denali 2015 GMC Sierra 3500 HD SLE 2015 GMC Sierra 3500 HD SLT 2016 Chevrolet Silverado 2500 HD High Country 2016 Chevrolet Silverado 2500 HD LT 2016 Chevrolet Silverado 2500 HD LTZ 2016 Chevrolet Silverado 2500 HD WT 2016 Chevrolet Silverado 3500 HD High Country 2016 Chevrolet Silverado 3500 HD LT 2016 Chevrolet Silverado 3500 HD LTZ 2016 Chevrolet Silverado 3500 HD WT 2016 GMC Sierra 2500 HD Base 2016 GMC Sierra 2500 HD Denali 2016 GMC Sierra 2500 HD SLE 2016 GMC Sierra 2500 HD SLT 2016 GMC Sierra 3500 HD Base 2016 GMC Sierra 3500 HD Denali 2016 GMC Sierra 3500 HD SLE 2016 GMC Sierra 3500 HD SLT 2017 Chevrolet Silverado 2500 HD High Country 2017 Chevrolet Silverado 2500 HD LT 2017 Chevrolet Silverado 2500 HD LTZ 2017 Chevrolet Silverado 2500 HD WT 2017 Chevrolet Silverado 3500 HD High Country 2017 Chevrolet Silverado 3500 HD LT 2017 Chevrolet Silverado 3500 HD LTZ 2017 Chevrolet Silverado 3500 HD WT 2017 GMC Sierra 2500 HD Base 2017 GMC Sierra 2500 HD Denali 2017 GMC Sierra 2500 HD SLE 2017 GMC Sierra 2500 HD SLT 2017 GMC Sierra 3500 HD Base 2017 GMC Sierra 3500 HD Denali 2017 GMC Sierra 3500 HD SLE 2017 GMC Sierra 3500 HD SLT 2018 Chevrolet Silverado 2500 HD High Country 2018 Chevrolet Silverado 2500 HD LT 2018 Chevrolet Silverado 2500 HD LTZ 2018 Chevrolet Silverado 2500 HD WT 2018 Chevrolet Silverado 3500 HD High Country 2018 Chevrolet Silverado 3500 HD LT 2018 Chevrolet Silverado 3500 HD LTZ 2018 Chevrolet Silverado 3500 HD WT 2018 GMC Sierra 2500 HD Base 2018 GMC Sierra 2500 HD Denali 2018 GMC Sierra 2500 HD SLE 2018 GMC Sierra 2500 HD SLT 2018 GMC Sierra 3500 HD Base 2018 GMC Sierra 3500 HD Denali 2018 GMC Sierra 3500 HD SLE 2018 GMC Sierra 3500 HD SLT 2019 Chevrolet Silverado 2500 HD High Country 2019 Chevrolet Silverado 2500 HD LT 2019 Chevrolet Silverado 2500 HD LTZ 2019 Chevrolet Silverado 2500 HD WT 2019 Chevrolet Silverado 3500 HD High Country 2019 Chevrolet Silverado 3500 HD LT 2019 Chevrolet Silverado 3500 HD LTZ 2019 Chevrolet Silverado 3500 HD WT 2019 GMC Sierra 2500 HD Base 2019 GMC Sierra 2500 HD Denali 2019 GMC Sierra 2500 HD SLE 2019 GMC Sierra 2500 HD SLT 2019 GMC Sierra 3500 HD Base 2019 GMC Sierra 3500 HD Denali 2019 GMC Sierra 3500 HD SLE 2019 GMC Sierra 3500 HD SLT 2020 Chevrolet Silverado 2500 HD Custom 2020 Chevrolet Silverado 2500 HD High Country 2020 Chevrolet Silverado 2500 HD LT 2020 Chevrolet Silverado 2500 HD LTZ 2020 Chevrolet Silverado 2500 HD WT 2020 Chevrolet Silverado 3500 HD High Country 2020 Chevrolet Silverado 3500 HD LT 2020 Chevrolet Silverado 3500 HD LTZ 2020 Chevrolet Silverado 3500 HD WT 2020 GMC Sierra 2500 HD Base 2020 GMC Sierra 2500 HD Denali 2020 GMC Sierra 2500 HD SLE 2020 GMC Sierra 2500 HD SLT 2020 GMC Sierra 3500 HD Base 2020 GMC Sierra 3500 HD Denali 2020 GMC Sierra 3500 HD SLE 2020 GMC Sierra 3500 HD SLT 2021 Chevrolet Silverado 2500 HD Custom 2021 Chevrolet Silverado 2500 HD High Country 2021 Chevrolet Silverado 2500 HD LT 2021 Chevrolet Silverado 2500 HD LTZ 2021 Chevrolet Silverado 2500 HD WT 2021 Chevrolet Silverado 3500 HD High Country 2021 Chevrolet Silverado 3500 HD LT 2021 Chevrolet Silverado 3500 HD LTZ 2021 Chevrolet Silverado 3500 HD WT 2021 GMC Sierra 2500 HD Base 2021 GMC Sierra 2500 HD Denali 2021 GMC Sierra 2500 HD SLE 2021 GMC Sierra 2500 HD SLT 2021 GMC Sierra 3500 HD Base 2021 GMC Sierra 3500 HD Denali 2021 GMC Sierra 3500 HD SLE 2021 GMC Sierra 3500 HD SLT 2022 Chevrolet Silverado 2500 HD Custom 2022 Chevrolet Silverado 2500 HD High Country 2022 Chevrolet Silverado 2500 HD LT 2022 Chevrolet Silverado 2500 HD LTZ 2022 Chevrolet Silverado 2500 HD WT 2022 Chevrolet Silverado 3500 HD High Country 2022 Chevrolet Silverado 3500 HD LT 2022 Chevrolet Silverado 3500 HD LTZ 2022 Chevrolet Silverado 3500 HD WT 2022 GMC Sierra 2500 HD Base 2022 GMC Sierra 2500 HD Denali 2022 GMC Sierra 2500 HD SLE 2022 GMC Sierra 2500 HD SLT 2022 GMC Sierra 3500 HD Base 2022 GMC Sierra 3500 HD Denali 2022 GMC Sierra 3500 HD SLE 2022 GMC Sierra 3500 HD SLT