99-10 Silverado/Sierra 2500HD Coilover Conversion / Torsion Bar Eliminator Kit


***NOTE: ADS Shock ETA 12/30/21, King ETA 6/30/22, No Shock Kits Are Estimated To Ship 9/30/21 ***


LSK Is Proud To Introduce The 99-10 2500HD Coilover Conversion / Torsion Bar Delete System. Our Coilover Conversion Utilizes A Set Of Custom Configured King 2.5” Coilovers And Upper & Lower Arms In Conjunction With A Fabricated Shock Tower And Two Piece Shock Hoop To Ditch The Factory Torsion Bars To Vastly Improve The On & Off Road Ride. The Factory Upper Control Arm Mounts Are Retained While The Factory Shock Mounts And Upper Control Arm Bumpstop Mounts Are Removed.


  • Upper Arms
  • Lower Arms
  • Two Piece Shock Hoops
  • Shock Reservoir Clamps
  • Shock Towers
  • Grade 8 Hardware
  • Limit Straps with Adjustable Clevis


  • 2.5" x 8" Coilovers With CUSTOM EXTENDED/COMPRESSED LENGTHS - Shock Specs Can Be Provided If Kit Is Purchased Without Shocks
  • Welding Is Required - This Is Not A Bolt On System And Will Require Proficient Knowledge In Fabrication To Perform The Installation 


  • Compression Adjusters - Adds The Compression Adjuster Knob Option For ADS or King Coilovers To Allow Quick Adjustments To The Coilovers Without Disassembly
  • Powdercoat Finish - Textured Black Or "LSK Grey" Finishes On The Upper & Lower Control Arms


  • Fits 1999-2010 Silverado/Sierra 1500HD & 2500HD 2wd & 4wd Vehicles 
  • Designed As A LEVELING System (0-2" Lift) - Drop Bracket Style Lifts With This System Can Be Configured Directly Through Chris at Patriot Performance HERE
  • Pairs Best With Our OEM Height Rear Deaver Package 
  • Track Width: Stock Track Width
  • Wheel Travel: 9" On Average (Depends On Limit Strap Positioning & Adjustment)
  • Upper Outer Pivot: MOOG Problem Solver HD Balljoint
  • LSK EXCLUSIVE "STAGE 1" UPGRADE: 3/4" FK Uniballs on Inner Pivots With Sealed Uniball Cups - No Squeaky Polyurethane Bushings To Grease And Uniballs Are Protected From The Elements For Extended Life
  • Lower Outer Pivot: MOOG Problem Solver HD Balljoint
  • Lower Inner Pivots: Delrin LCA Bushings for Strength & Noise Reduction With Zinc Coated Pivot Sleeves
  • This Kit Eliminates The Torsion Bar Setup Completely, It Is Not Used In Tandem
  • Custom Colors Are Available For The Coilovers Through Special Order, Please Contact Our Sales Team For More Information Regarding These Options
  • If You Or Your Installer Have Any Questions Please Reach Out To Our Sales Team At (909)-305-4824 Or Email Info@LSKSuspension.com