20-25 HD 3500 4″ Stage 3 Suspension System w/ FOX 2.0 IFP’s
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
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 (stock torsion location) Performance Suspension System for the 2020+ Chevy & GMC 2500 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 & fabricated in the U.S. and exceed all industry standards for manufacturing.
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.
- 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
Options for the 4″ Kit:
CSS-C2-20 Boxed Upper Control Arms with O.E. Style Bushings and High Angle Ball Joints (see below)
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
