Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

Features:

• 6" lift for front and rear suspension
• Includes Dirt Logic 2.5 resi coilovers
• 2.25 Dirt Logic rear shocks included
• Superior ride quality on and off-road
• Stainless steel shock bodies resist corrosion
• NitroSteel piston rods for long-term durability
• Zero bump steer through full suspension travel
• Quarter inch steel crossmembers with OE cam pins
• Triple front diff mounts reduce driveline vibration
• Proprietary knuckles improve turning radius
• Near-stock track width for clean fitment
• Made in the USA and warranty backed

Take Your Silverado Or Sierra To A Whole New Level Of Capability

If you’re serious about transforming the way your 2025 Silverado or Sierra 1500 4WD handles, rides, and looks, the Fabtech K1218DL 6" Performance System with Dirt Logic 2.5 Resi Coilovers is the lift you’ve been waiting for. This setup gives your truck the height, stance, and strength to take on rugged trails while keeping a refined feel for everyday driving. The included Dirt Logic 2.5 stainless steel coilovers are built for serious off-road performance, offering incredible damping control and smooth ride quality over uneven ground. Pair that with the Dirt Logic 2.25 rear shocks, and you get a balanced suspension that feels composed in the dirt and confident on the highway. The lift gives you the clearance needed for larger tires, enhancing your truck’s capability and appearance in one upgrade. It’s not just about lift height, it’s about control, confidence, and durability that you can count on every time you get behind the wheel. This system is made for drivers who expect more out of their trucks, both on the street and beyond the pavement.

Precision Tuned Suspension Engineering Built For Strength And Control

The Fabtech K1218DL 6" Performance System combines advanced suspension geometry with premium materials to deliver unmatched ride quality and strength for the 2025 GM Sierra and Silverado 1500 4WD. At its core, this system features Fabtech’s industry-leading IFS design, providing zero bump steer throughout the entire suspension cycle for smooth, consistent steering feel. The front end is upgraded with Dirt Logic 2.5 coilovers featuring external reservoirs, which enhance cooling and allow for superior damping under aggressive conditions. Each coilover is constructed from stainless steel and paired with NitroSteel piston rods for corrosion resistance and long-term durability. Heavy-duty quarter inch thick steel crossmembers provide a solid foundation and incorporate OE-style cam pins for easy alignment adjustments. Triple differential mounts reposition the front diff to correct driveline angles and reduce vibration at higher speeds. In the rear, the 5-inch block and U-bolt setup works with Dirt Logic 2.25 shocks to maintain proper stance and comfort under load. Designed for V8 gas models with crew cab, short bed configurations, this system offers the perfect mix of engineering precision and off-road capability for serious truck owners.

Fitment: 2025 GM Sierra/Silverado 1500 4WD

Notes:

• Fits 2025 Chevy Silverado and GMC Sierra 1500 4WD
• Designed for crew cab, short bed V8 gas models only
• Not compatible with 4-cylinder engine configurations
• Does not fit GMC AT4 or Chevy Trail Boss models
• Not compatible with magnetic ride control systems
• Will not fit vehicles equipped with Super Cruise
• OEM wheels and tires cannot be reused
• Requires aftermarket wheels with correct offset
• Includes round style U-bolts, verify before purchase
• Front lift achieved using Dirt Logic 2.5 resi coilovers
• Rear lift accomplished with 5" blocks and U-bolts
• Prop 65 warning label
• Professional alignment is strongly recommended after install