King Shocks 2019+ Chevrolet Silverado 1500 Rear 2.5 Dia Remote Reservoir Shock w/Adjuster (Pair) 2021-gmc-sierra-2500-hd-esi1710707 The MFR in combination with

The MFR in combination with the optional FASS Fuel Heater options will help insure EXTREME cold weather operations

Option 1: R1 Coils

The ICON Vehicle Dynamics Stage 3 S2 Secondary Shock System redefines the off-road capability of the 2007-2021 Toyota Tundra by allowing for the installation of a secondary shock to an existing ICON coilover setup

On stock Super Duty trucks

While the front coils and rear leaf springs get most of the attention

King Shocks 2019+ Chevrolet Silverado 1500 Rear 2.5 Dia Remote Reservoir Shock w/Adjuster (Pair) 2021-gmc-sierra-2500-hd-esi1710707 The MFR in combination withKing OEM performance kit custom tuned to provide your (CHEVY GMC) with unparalleled levels of performance and ride quality. Each kit has been subjected to punishing real world testing to develop the optimal damping curve and spring rate (if applicable) for your vehicle.