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Zone Features:

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


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


Skill level: 4 of 5.

Estimated install time: 8 hour.

Max Tire Size: 35x12.50

Wheel Size: 16x8
Backspacing: 4.5 inch

Wheel Size: 17x9 and 18x9
Backspacing: 5 inch to 5.5 inch

Wheel Size: 20x9
Backspacing: 5.75 inch

This Fits the Following Applications:

01-06 Chevy 1500HD Pickup 4WD Gas
01-06 Chevy 2500 Pickup 4WD Gas/Diesel
01-10 Chevy 2500HD Pickup 4WD Gas/Diesel
01-10 Chevy 3500 Pickup 4WD Gas/Diesel
01-10 Chevy 3500HD Pickup 4WD Gas/Diesel
01-06 Chevy Avalanche 2500 4WD Gas
01-06 Chevy Suburban 2500 4WD Gas
01-06 GMC 1500HD Pickup 4WD Gas
01-06 GMC 2500 Pickup 4WD Gas/Diesel
01-10 GMC 2500HD Pickup 4WD Gas/Diesel
01-10 GMC 3500 Pickup 4WD Gas/Diesel
01-10 GMC 3500HD Pickup 4WD Gas/Diesel
01-06 GMC Yukon XL 2500 4WD Gas

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!

Add Part# Description QTY Retail Price Sale Price
C4Avalanche 6" Suspension System 01-06 AVALANCHE 1500 4WD 1295.95 1295.95
C4NAvalanche 6" Suspension System with Nitro Shocks 01-06 AVALANCHE 1500 4WD 1323.23 1323.23

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