Learn how to properly install and adjust the Heavy Duty Spring Kit for GMC 1500 Sierra Denali 2019-2022 HD and other models with this user manual. Compatible with 3611Y, 3612, 4511T, and more, the RAS kit maximizes leaf spring arch for optimal performance. Follow the instructions carefully to avoid voiding the warranty.
Maximize the arch of your leaf springs with the 3611-CHD RoadActive HD Suspension Systems. Read the user manual for fitting instructions and tips on installing RAS on Ford F250 & F350 OR Chevy & GMC 3500 with Factory Overload Springs. Watch the installation videos on YouTube for additional guidance.
Learn how to properly install the RAS 4611-TD and 4611TD-HD suspension kit for your 1999-2021 Toyota Tundra with this user manual. Ensure the rear axle and leaf springs hang free during installation and check for excess wear on leaf springs before installing. Deviating from instructions may void the warranty.
