CSK-G23-9 2020 Chevy / GMC HD 2500 / 3500 4wd 4″ Stage 9 Suspension System


CSK-G23-9 Stage 9 Suspension System includes the complete lift kit with front 2.5 PRO Series Remote Reservoir shocks and 2.5 PRO Series Piggyback rear shocks.


CST is proud to announce the all new 4″ STL Suspension System for the 2020 Chevy & GMC HD Trucks. This new kit will provide superior performance on or off road. Sub frames are designed to give you the most ground clearance while protecting vital front suspension components. The front spindles welded and fabricated from laser cut and precision materials. All of CST products are precision fabricated in house to provide strength and durability. CST Performance Suspension products are designed and manufactured in the USA!


CSK-G23-9 4″ STL Stage 9 Suspension Includes the following parts:

CSS-C3-23-B1     Front & Rear Sub Frames, Diff Drops, & Lift Blocks

CSS-C3-23-B2     Spindles

CSS-C3-23-B3     Skidplate, Torsion Brackets, Torsion Sleeves, Hardware, Etc.

CSS-C333-8         2.5 Front Shock Mount

CSA-7523             PRO SERIES 2.5 Remote Reservoir Front Shock

CSA-7524             PRO SERIES 2.5 Piggyback Rear Shock


Options for the 4″ Kit:

CSS-C29-25    Aluminum Front Skid Plate

CSS-C24-18    Heavy Duty Tie Rod Ends


Wheel & Tire Fitment

Stock Wheels & Tires fit 

18″ Max Backspace 5.75″ 

20″ Max Backspace 6″

20×9 w/5″ Backspacing 37″ tire minor trimming

20×9 w/5″ Backspacing 35″ tire no trimming



CA Residents: WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Additional information

Weight200 lbs