2011-2019 Duramax 6.5" Coilover Lift Kit (BDS727FDSC)
Coilovers aren't just to lower your vehicle! If you're serious about performance then BDS offers this conversion kit for your GMC/ Chevrolet. With high-quality parts, this kit will improve handling at high speeds & overall ride quality. FOX 2.5 Coilovers w/ Remote DSC Adjustment, BDS LSCs to Improve Travel, Fully Boxed & Gusseted HSCs offer Next Level Performance On & Off-road. Compatible with existing 4.5" & 6.5" BDS Lifts Easy Installation.
Tire Fitment:
- 6.5” Kit: 37 x 12.50 on 17” x 9” w/ 4-1/2 to 4-5/8” Backspacing
- 37 x 12.50 on 18” x 9” w/ 4-1/2 to 4-5/8” Backspacing
- 37 x 12.50 on 20” x 9” w/ 5 to 5.5” Backspacing
- Larger than 20”, use 20” wheel specs
Notes:
- For use with 6.5" high clearance lift kits only.
- Not approved for use with other brand lift kits or as a stand-alone upgrade.
- This System cannot be set lower than 6.5" as it will cause alignment issues.
- Stock 20” x 8.5” wheels are not recommended, however, they can be reinstalled if necessary.
- Stock 17” and 18” wheels will not fit back on the vehicle once this suspension system is installed.
Installation:
- Click Here For Installation Instructions
- Difficulty Level (easy 1 - 5 complicated): 4
Part Number: BDS727FDSC

Fox 2.5 Series Coilovers
When you want the best in performance and capability, go with FOX. These race-proven FOX 2.5 factory series remote reservoir coilovers up the ante allowing for next-level damper capability and control all neatly packaged. Designed for bolt-on installation, the engineers at BDS and FOX teamed up to offer this race-winning technology into a bolt-on, pre-tuned Coilover designed to perform and provide correct ride height right out of the box. From valving to spring rate, preload, and hose length these FOX coilovers are designed to take all the guesswork out of setting your vehicle up and are designed to be used with BDS lift systems. These coilovers use a large 2.5" body, 3" coil springs, 7/8" hardened carbon steel shaft, high flow piston, JM92 advanced racing shock oil, CNC machined 6061 T6 ends, and external remote reservoir to improve damper capability across any terrain.
Show more

Coilover Conversion Mounting Kit
This Box Kit includes the following products:
- Driver & Passenger Side Upper Mounts
- Driver & Passenger Side Weld-in Support Gusset
- Driver & Passenger Side Reservoir Mounts
- 2 Sway Bar Links
- 2 Wide Eb1 Bushings
- 4 Sway Bar Link Stem Bushings
- 2 3/4" OD x 1.575" x 9/16" ID Sleeve
- 2 1/4"-20 x 3/4" Self-tapping Bolt CZ
- Zip Ties
- Bolt Pack - Mounting Hardware
- Bolt Pack - Sway Bar Links
- Front & Rear Stop Extensions
- 2 Nut Tabs
- 3 1/2" Rivet Nuts
- 3 3/8" Short Rivet Nuts
- 3 3/8" Tall Rivet Nuts
- Bolt Pack - Bump Stop Hardware
Show more

Front Skid Plate
Show more
Upper Control Arm Kit
This Box Kit includes the following products:
- Driver Side UCA Assembly & HD UCA
- Passenger Side UCA Assembly & HD UCA
- 2 Ball Joints
- 4 Bushings
- 2 Aluminum Cap - Anodized
- 2 O-rings (#139)
Show more
Drivers Side Lower Control Arm
This Box Kit includes the following products:
- Driver Side LCA Assembly & HD LCA
- Lower Ball Joint (Moog)
- Front & Rear Lower Bushing
- 2 BDS Large Logos
- 2 Stainless Button Head Bolt
Show more
Passenger Side Lower Control Arm
This Box Kit includes the following products:
- Passenger Side LCA Assembly & HD LCA
- Lower Ball Joint (Moog)
- Front & Rear Lower Bushing
- 2 BDS Large Logos
- 2 Stainless Button Head Bolt
Show more
4.5-6.5" System
This Box Kit includes the following products:
- Driver & Passenger Side Steering Knuckles
Show more
4.5-6.5" System
This Box Kit includes the following products:
- Driver & Passenger Side Steering Knuckles
Show more
4.5-6.5" System
This Box Kit includes the following products:
- Front Crossmember
- Crossmember Brace
- Driver & Passenger Side Front Brake Lines
- 2 Brake Line Clips
- Bolt Pack - Front Brake Lines
Show more
6.5" Coilover Box Kit
This Box Kit includes the following products:
- Driver, Passenger & Center Differential Bracket
- Rear Crossmember
- Differential Skid Plate
- Bolt Pack
- 0.875 x 0.120 x 2.60 Differential Sleeve
- 8 3/4" SAE Flat Washers
Show more