The R4Tech air-over-leaf system by Firestone is the next generation in pickup truck suspension. This patented suspension replaces your stock Chevy Silverado 3500HD rear suspension with a combination of Sanluis Rassini rear leaf springs, Firestone Airide air springs, Ride-Rite air accessories, trailing link, J-springs, brackets, air compressor and Ride-Rite LS load adaptive shocks manufactured by Rancho. Once installed this R4Tech suspension will provide a suspension unmatched in ride quality, durability and reliability.
Features & Benefits
- Hybrid Air-over-leaf Suspension System
- Substantial Ride Quality improvement across all conditions, especially unloaded.
- Kneel feature allows for lowering of the rear end for easy trailer attachment
- Rancho load adaptive shocks vary their stiffness based on air spring pressure
- Sanluis Rassini lower rated leaf springs replace factory springs
- Axle hop and wrap are controlled with included lower link and J-springs
- Items Included:
- (2) Sanluis Rassini Rear Leaf Springs, (2) Firestone Air Springs, (1) Firestone Compressor, (2) Rancho load adaptive shocks, Trailing Link, J-Springs brackets and hardware
- Fits Make / Model:
- Chevy Silverado 3500HD 2wd & 4wd Long Bed, includes Dually (w/11.5" axle)
- Fits Years:
- 2005, 2006, 2007, 2008, 2009, 2010
- 280 lbs.