2020-2024 HD 3500 4″ Stage 3 Suspension System w/ FOX 2.0 IFP’s

CSK-G23-33F 4″ STL Stage 3 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-B4 Skid plate, Torsion Brackets, Torsion Sleeves, Hardware, Etc.
• FOX980-24-965 Performance Series 2.0 IFP Front Shock (x2)
• FOX985-24-241 Performance Series 2.0 IFP Rear Shock (x2)

Options for the 4″ Kit:

• CSS-C2-20 Boxed Upper Control Arms with O.E. Style Bushings and High Angle Ball Joints
• CSA-6534 DIRT Series 2.0 Remote Reservoir Front Shock
• CSA-6533 DIRT Series 2.0 Remote Reservoir Rear Shock
• CSS-C33-4 2.0 Single Shock Mounting Kit
• CSA-7523 PRO Series Remote Reservoir 14 Way Compression Adjustable Front Shocks
• CSA-7524 PRO Series Piggyback 14 Way Compression Adjustable Rear Shocks
• CSS-C33-9 2.5 Single Shock Mounting Kit
• CSS-C29-25 Aluminum Front Skid Plate
• CSS-C24-18 Heavy Duty Tie Rod Ends

This kit is designed specifically for the 3500 model trucks.

CSK-G23-33F | Stage 3 Suspension System includes the complete lift kit with front and rear FOX 2.0 Performance Series IFP shocks.

CST 4″ STL Performance Suspension System for the 2020+ Chevy & GMC 3500 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.  All CST products are precision fabricated in house to provide superior strength and durability. CST Performance Suspension products are designed and manufactured in the USA!

CST 4” KIT FEATURES

• NO NEED TO CUT/MODIFY THE FACTORY TORSION X-MEMBER
• NO NEED TO CUT/MODIFY THE UCA POCKET
• SUPERIOR CONTROL ARM, CV & TIE ROD ANGLES
• HIGH CLEARANCE, FULLY BOXED X-MEMBERS
• KIT INCLUDES STEEL LOWER SKID PLATE TO PROTECT FRONT DIFF
• INCREASED SUSPENSION TRAVEL, TIRE & GROUND CLEARANCE
• STOCK TORSION LOCATION (STL) FOR MAXIMUM GROUND CLEARANCE
• ABILITY TO RE-USE O.E. FRONT SHOCKS (KIT INCLUDES FRONT SHOCK ADAPTERS)
• GM STAILITRAK APPROVED
• PARTS COVERED IN A HIGH-QUALITY GLOSS BLACK POWDER COAT FINISH
• NO WELDING REQUIRED
• REDUCED INSTALL TIME WHEN COMPARED TO OTHER MANUFACTURERS KITS
• CAST IRON KNUCKLES
• CST SUPERIOR QUALITY FIT, FUNCTION AND FINISH
• IMPROVED HANDLING
• KIT RETAINS THE O.E. LOAD RATING/TOW CAPACITY
• ABILITY TO PUT BACK TO STOCK
• TRUE 4″ LIFT
• LEVEL STANCE WITHOUT SACRIFICING RIDE QUALITY
• CLEARS UP TO 37″ TIRES
• MADE IN THE U.S.A.
• UNSURPASSED RIDE QUALITY ON THE HIGHWAY
• CST FOX-Series KITS INCLUDE FOX SHOCKS

Wheel & Tire Fitment

• 17″ Wheels – 5″ Max backspacing
• 18″ Wheels – 5.75″ Max backspacing
• 20″ Wheels – 6″ Max backspacing

17×9 w/5″ Backspacing 37×12.5″ tire / minor trimming
20×9 w/5″ Backspacing 37″ tire / minor trimming
20×9 w/5″ Backspacing 35″ tire / no trimming