K1231

4” SPORT SYSTEM W/PERFORMANCE SHOCKS – K1231

2025-26 CHEVROLET SILVERADO | GMC SIERRA 1500

Fabtech’s Sport & Dirt Logic Series Suspension Systems feature our world-renowned IFS suspension design for the Chevy/GMC 1500 providing excellent drive ability both on and offroad. There is zero bump steer throughout the suspension cycle that helps reduce drive fatigue while improving the overall drive ability of the vehicle.

The near stock track width keeps the tires under the fenders for a clean appearance. Fabtech’s proprietary steering knuckle geometry provides excellent lock to lock turning radius to maneuver in tight spots. Heavy duty 1/4″ thick steel crossmembers feature OE style alignment cam pins that utilize the factory cams for easy adjustment. Triple front diff mounts reposition the differential for vibration free operation at high speed.

The factory coil over shocks relocated from the bottom, to allow for full steer while achieving 6 inches of lift. Rear lift is accomplished with a 5″ Block and U-bolt system.

The stainless-steel Dirt Logic 2.5 Coil overs replace the Trail Boss / AT4 coil over with an outstanding ride quality both on and offroad. They are designed for aggressive offroad use yet have a supple on road feel. Rear Dirt Logic 2.25 shocks aid in damping the vehicle for a balanced ride. Fabtech has addressed all aspects of the suspension for proper wheel travel and lock to lock steering without over cycling. All FABTECH systems come with a free 5-year 60,000-mile Powertrain Warranty.

FEATURES

• Sport Series with Performance and Stealth shock options
• Dirt Logic 2.5 Coil Overs with RESI and 2.25 Dirt Logics
• Increased ground clearance
• KITS CONTAIN ROUND STYLE U-BOLTS, PLEASE VERIFY YOUR APPLICATIO

Made in the USA.