1.5 Inch Lift Kit | FOX 2.5 Performance Elite Coil-Over | Chevy Trail Boss or GMC AT4 1500 (25-26) 4WD

Built for Trail Boss and AT4 owners who want stance, performance, and tire clearance without compromise, this 1.5-inch lift kit pairs FOX coil-over shocks with heavy-duty geometry correction to keep your Chevy or GMC running smooth on road and capable off-road. You get up to 35" tire clearance (Chevy) or 33" (GMC), plus caster correction built into the upper control arms so your truck drives true.

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-over shocks — 2.5-inch diameter remote-reservoir design with DSC adjusters for 10 low-speed and 12 high-speed compression settings. Built to run cool under load with race-proven internals, bolt-on ready.
• Heavy-duty tubular upper control arms — 1.5" OD × .120-wall construction with indexed ball joint cups for caster correction and extended downtravel. Greaseable ball joints and maintenance-free frame bushings in black powder coat finish.

Out back

Fabricated steel lift blocks, longer U-bolts, and a complementary set of FOX 2.0 Performance shocks for smooth, controlled ride quality.

Pick your shocks

• FOX 2.0 Performance Series — proven performance shock tuning with solid on-road comfort and off-road compliance at a direct price point.
• FOX 2.5 Performance Elite — remote-reservoir cooling, DSC adjuster knobs for 22 total compression levels, and race-bred durability for owners who want maximum tuning range and heat dissipation.

Important notes

• Chevy Trail Boss models support up to 35" tire clearance; GMC AT4 models support up to 33".
• Upper control arms include caster correction for proper driveline geometry; no additional suspension tuning required.
• Designed for 2025–2026 model year Trail Boss and AT4 1500 4WD trucks only.

Why customers pick this at Road Runner

• Corrected geometry out of the box — the indexed UCAs mean your truck drives straight without chasing fixes down the road.
• BDS warranty backed locally — we stand behind every kit our techs install.
• Professional install in our shop by suspension specialists who bolt these kits on every week.
• FOX coil-overs tuned and ready — no guessing, no extra setup fees.
• One-stop tire and wheel build — lift, then load, then roll out of our lot.

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