2001-2010 GM HD 6.5" FOX 2.5 Performance Conversion Kit (BDS739FDSC)

BDS raises the bar on your 2001-2010 Chevy Silverado and GMC Sierra 2500 HD with this 6.5" suspension lift kit and FOX 2.5 Coil-Over conversion, with clearance for up to 35" tires. The high-clearance design improves ground clearance, strength, and offroad protection while correcting suspension and steering geometry. Up front it uses FOX 2.5 coil-over shocks, heavy duty tubular upper control arms (1.5" OD x .120-wall with indexed ball joint cup and greaseable ball joints), 1/4" thick high-arched steel crossmembers, multipiece differential relocation brackets, and heavy duty skid plates, with CNC-machined ductile iron steering knuckles, sway bar drops, bump stop extensions, brake line brackets, and CV spacers. The rear offers replacement lift block or full Glide-Ride leaf spring options, new u-bolts, and FOX 2.0 Performance Series shocks.

Features

• FOX 2.5 coil-overs offer improved damper performance over stock
• Dual Speed Compression Adjust adjuster allows easy high-speed and low-speed compression tuning for optimal performance in any terrain
• Performance UCAs increase strength and allow for more suspension travel
• High clearance design maximizes ground clearance
• Robust steering knuckles maintain ESC system compliance
• HD skid plate system improves offroad protection
• Multipoint differential relocation brackets to secure the front axle and improve CV angles
• Factory Protection Plus drivetrain warranty included
• Eliminates any need for a lift block
• Reduces axle wrap and creates a more controlled and stable feel
• Multi-leaf progressive design for a smooth ride
• Maintains factory payload weight ratings

Specs

• Front Lift Method: Cross-Member
• Rear Lift Method: Blocks
• Shocks Included: Yes
• Front Lift Height: 6.5 Inch
• Rear Lift Height: 5 Inch

Recommended Tire & Wheel Fitment

• Tire Size: 35x12.5
• Wheel Diameter: 17x9, 20x9
• Back Spacing: 5.5/5.75

Notes

• Torsion bar tool required to load/unload the torsion bars.
• Some welding required.
• Requires frame bracket modification and differential mount modification.
• Traction bars will not fit standard cab/short box models and are designed to work on vehicles with 4 inch to 8 inch of lift.
• 20 inch wheels with 5 inch to 5.75 inch backspacing recommended to reduce trimming.
• Not recommended for Suburban / Yukon models with AutoTrac Transfer Case.
• Does NOT work with rear Autoride equipped SUVs.

Includes

• BDS001509, GM K2500 HD 5.5in Rear Spring (UPC 658848611195)
• BDS021441, 01-10 HD Coilover System Box Kit (1of2) (UPC 658848614646)
• BDS021442, 01-10 HD Coilover System Box Kit (2of2) (UPC 658848614653)
• BDS021632, HD Knuckle Kit (UPC 658848614882)
• BDS121252, 01-10 HD UCA Kit (UPC 658848618934)
• BDS121650, 2001-2019 GM HD Front Skid Plate Box Kit (UPC 658848619207)
• BDS121654, 01-10 HD Coilover Mounting Kit (UPC 658848619245)
• FOX88406188, Kit: BDS 01-10 GM 2500/3500 HD Front Coilover, 2.5 Series, R/R 6.5 Inch Lift, Dual Speed Compression Adjust (UPC 814897013704)
• FOX98224761, Fox 2.0 Shock 33.85 x 20.75 x 2- EB1/EB1
• UBT4045, 9/16 x 2-9/16 x 11-3/8 Square U-bolt (UPC 711745613188)