01-10 Chevy/GMC 4WD

6" Suspension System

Zone Offroad C4

Featured Technology & Benefits

• One piece 1/4" steel crossmembers
• CNC machined ductile iron steering knuckles
• Differential skid plate with compression struts for offroad protection
• Rear block kit for easy installation

If quality and performance is what you demand, then you've come to the right place! This Zone Offroad suspension lift kit system fits 2001-06 Chevrolet/GMC 1500 HD pickup trucks, 2500 Suburban-Yukon XL-Avalanche & 2001-10 2500 HD-3500 pickup trucks and is engineered to withstand the trail as well as make a great daily driver. 

The once piece main crossmembers in combination with the CNC machined steering knuckles create OE style geometry for the ride you demand. The differential skid plate and the compression struts offer off-road protection for the serious trails. Combine this with vehicle specific valve Zone shocks and you have a winning combination all made in the USA!

Important Notes!

• Torsion bar unloading/loading tool required.
• To reduce trimming on new body style HD's 20" wheel with 5 3/4" backspacing recommended.
• Gas models required minor exhaust modification to clear front driveshaft.
• Also fits Avalanche/Suburban 2500 models.
• Minor welding required.
• Frame bracket and differential mount modifications required.
• Vehicles equipped with a two piece drive shaft and a carrier bearing require bearing drop kit (C5612).
• Not designed for dually models