2.5 Inch Lift Kit | FOX 2.5 Performance Elite Coil-Over | Chevy Trail Boss or GMC AT4 1500 (19-24) 4WD | Gas

Built for Trail Boss and AT4 owners who want serious lift with FOX-tuned performance shocks — this 2.5-inch kit delivers stance, off-road capability, and smooth on-road handling without sacrificing driveline geometry. You get everything needed for up to 35" tires, corrected steering and suspension geometry at the new ride height, and FOX coil-overs engineered to soak up rough terrain while keeping your truck planted on pavement.

Installed and serviced at Road Runner Wheels & Tires. Most kits go in the same day. Call (678) 400-6467 to schedule.

What you get up front

• FOX 2.5 Performance Elite Coil-Overs — Race-proven 2.5-inch diameter shocks with remote reservoir for cooling, DSC adjusters (10 low-speed / 12 high-speed compression levels), and bolt-on installation.
• CNC-Machined Ductile Iron Steering Knuckles — Corrects steering geometry at the lifted height while maintaining ESC system compatibility.
• HD Upper Control Arms — 1.5" OD tubular construction with indexed ball joint cup for camber adjustment, greaseable ball joints, and durometer-specific rubber bushings for maintenance-free frame mounting.
• 1/4-Inch Steel Crossmembers & Skid Plate System — High-clearance laser-cut crossmembers paired with front skid plates create a rigid subframe and off-road protection.
• Multipiece Differential Relocation Brackets — Engineered to preserve driveline geometry and protect the differential during off-road travel.
• Bump Stop Extensions, Sway Bar Drops, Brake Line Brackets & CV Spacers — Complete hardware package for a bolt-on suspension ready to go.

Out back

Heavy-duty lift blocks install in place of factory blocks, retaining ride quality and load capacity. Included are new u-bolts, brake line brackets, and premium FOX 2.0 Performance Series shocks tuned specifically for rear suspension performance.

Pick your shocks

• FOX 2.0 Performance Series — Proven workhorse performance for daily driving and moderate off-road use at $4,552.44.
• FOX 2.5 Performance Elite — Remote reservoir, DSC dual-knob adjusters, and race-proven technology for maximum versatility and control at $5,482.49.

Important notes

• Kit is engineered for 2019–2024 Chevy Silverado Trail Boss and GMC Sierra AT4 1500 4WD (gas models only).
• Supports up to 35-inch tires with the lifted stance and geometry corrections included.
• ESC system compatibility preserved through steering geometry corrections and CNC-knuckle design.
• Load capacity and ride quality retained through OE-compatible rear lift blocks.

Why customers pick this at Road Runner

• BDS geometry corrections mean your truck handles tight on pavement — no pulling, no odd steering feel.
• FOX shocks tuned and tested before they ship — bolt-on performance out of the box.
• Installed by techs who do BDS kits every week — no learning curve, no surprises.
• Full BDS warranty backed locally at Road Runner — not a mail-in claim.
• Professional install in our shop on most builds keeps you off the road for hours, not days.

Ready to build it? Call (678) 400-6467. Hablamos Español.