Upgrade your 2007-2013 Chevy Silverado and GMC Sierra 1500 with this BDS 4" coil-over lift kit built around proprietary FOX 2.5 coil-over shocks with remote reservoirs for increased travel, off-road capability, and on-road comfort. The high-clearance front end uses 1/4" thick high-arched steel crossmembers, multipiece differential relocation brackets, HD skid plates, and CNC-machined ductile iron steering knuckles with sway bar drops, bump stop extensions, brake line brackets, and CV spacers. The rear is available with a replacement lift block or full Glide-Ride leaf springs, new u-bolts, brake line brackets, and FOX 2.0 Performance Series shocks. Optional Dual Speed Compression adjustment lets you tune low and high-speed compression for any terrain.

Features

• FOX 2.5 Factory Race series coilovers for improved ride quality, performance, and capability
• High clearance crossmember design maximizes ground clearance
• Robust steering knuckles maintain ESC system compliance
• HD skid plate system improved offroad protection
• Multipoint differential relocation brackets to secure the front axle and improve CV angles
• Factory Protection Plus drivetrain warranty included
• Dual Speed Compression Adjuster increases both low and high-speed compression levels up to 25 percent
• The 5 inch rear block replaces the factory 2 inch block, nets 3 inch of rear lift to level the vehicle
• Cast iron blocks designed to provide correct pinion angles

Specs

• Front Lift Method: Cross-Member
• Rear Lift Method: Block
• Shocks Included: Yes
• Front Lift Height: 4 inch
• Rear Lift Height: 5 inch

Recommended Tire & Wheel Fitment

• Tire Size: 33x12.5
• Wheel Diameter: 17x9, 20x9
• Back Spacing: 5/5.75

Notes

• Strut compressor required for installation
• This system will not fit 2007 classic models
• Installation of rear leaf springs requires removal of the fuel tank
• Requires frame bracket modification
• 20 inch wheels with 5 inch to 5-3/4 inch backspacing recommended to reduce trimming.
• Traction bars will not fit regular cab short box models.
• Add 121651 Auxillary Differential support bracket for AWD models. Also may require front driveline modification.
• Will not fit two-mode hybrid models with electronic power steering.
• Stock 20 inch wheels can be re-installed only with factory Tire size. Factory 17 and 18's cannot be re-installed.

Includes

• BDS011457, 99-10 GM 1500 3in Rear Block Kit (UPC 658848611867)
• BDS021640, 07-13 GM 1500/SUV 4-6 Inch Front Box (1of2) (UPC 658848614929)
• BDS021644, 2007-2013 GM 1500/SUV 4-6 Inch Front Box (2of2) (UPC 658848614943)
• BDS121613, 07-13 GM Front Skid Plate (UPC 658848619108)
• FOX88306135, Kit: BDS 07-18 GM 1500 Front Coilover, 2.5 Series, R/R, 4 inch Lift, Dual Speed Compression Adjust (UPC 814897013865)
• FOX98224758, Fox 2.0 Shock 27.95 x 17.35 x 2- EB1/EB1 (UPC 692878899062)