Combo kits offer the best bang for the buck by combining a front leveling kit with a small body lift to offer clearance for larger tires while maintaining factory ride quality and handling characteristics. This 3.5" combo kit for the Chevrolet/GMC 1500 truck combines a 2" torsion bar keys with a 1.5" body lift and bumper brackets to allow clearance for 33" tires.. Bumper hitch? Rear bumper brackets are for appearance only and not rated for towing. Frame mounted tow hitches are recommended for towing purposes. Fitment: This system fits 2007 Classic model; does not fit new body style 2007 trucks. Fitment: Will NOT fit 1500HD models.. Adventure series upper control arms (UCAs) to allow full suspension droop without maxing out the upper ball joints (a common issue on other leveling kits). Zone Offroad 06-07 Chevy Silv/GMC Sierra 1500 3.5in Combo Kit. Complete 1.5" body lift kit to provide additional clearance. 2" leveling kit to eliminate the factory nose low rake. Bumper relocation brackets to maintain factory. 06-07 GM 1500 3.5in Combo Kit. Zone 3.5" Combo Lift Kit. 3.5" Combo Lift Kit. Suspension Lift Kit

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