6.5 inch FOX 2.5 Coilover Conversion Lift Kit with FOX 2.5 Shocks & Rear Block Kit

Features:

• FOX 2.5 coilovers improve ride and control
• DSC adjusters allow precise compression tuning
• Upgrades ride quality on and off-road
• Fits up to 38" tires with clearance
• No torsion bar drop for max ground clearance
• Heavy-duty boxed and gusseted control arms
• Crossmembers made from 1/4" thick steel
• Multipoint differential brackets improve CV angles
• Durable skid plates protect vital components
• Maintains ESC system with robust knuckles
• Includes rear block kit and FOX shocks
• Compatible with diesel models only

Make Your Duramax Ride Like A Whole New Beast

If you’re looking to turn your 2020-2024 Duramax-powered Silverado or Sierra 2500HD/3500HD into a trail-dominating, high-performance machine, the BDS 792FPE 6.5" FOX Coilover Conversion Kit delivers everything you need and more. This isn’t your average lift kit, it’s a full suspension overhaul built around race-proven FOX 2.5 coilovers and rear shocks with DSC adjusters that let you fine-tune compression settings for smooth highway comfort or rugged trail control. The result is a ride that feels far more capable, refined, and responsive than stock, whether you’re crawling through rocky terrain or towing a heavy load. The added clearance supports tires up to 38 inches, giving your truck a seriously aggressive stance and the capability to go wherever you want. What’s more, BDS eliminates the need for a torsion bar drop thanks to a high-clearance design that keeps the underside clean and trail-ready. With upgraded tubular upper control arms and fully boxed lowers, this kit gives your front suspension the strength and articulation it was always meant to have. From performance to presence, this system brings out the best in your HD build without cutting corners.

Every Component Engineered For Strength And Precision

The BDS 6.5" Coilover Conversion Lift Kit is built to handle the size and weight of GM’s 2500HD and 3500HD Duramax trucks with confidence. At the heart of the system are FOX 2.5 Performance Elite coilovers and matching rear shocks with remote reservoirs for improved cooling and consistent performance. The DSC adjusters offer 10 levels of low-speed and 12 levels of high-speed compression tuning, giving you full control over how your truck handles rough terrain, cornering, and loaded driving conditions. The control arms are engineered for strength and travel, with upper arms made from 1.5-inch OD tubing and lower arms fully boxed and internally gusseted for maximum durability. Heavy-duty crossmembers, high-clearance skid plates, and multipoint differential relocation brackets work together to keep everything aligned and protected while maintaining proper CV and driveline angles. Steering geometry is corrected with precision-machined ductile iron knuckles to retain ESC compatibility, and stainless steel brake lines ensure braking performance is just as refined as your suspension. Whether you’re lifting for looks or capability, this system gives you the confidence to go further, haul harder, and handle more without compromise.

Fitment: 2020, 2021, 2022, 2023, 2024 GM Silverado/Sierra 2500HD/3500HD Duramax w/o Overload

Notes:

• Compatible with 2020-2024 Duramax diesel models only
• Not for trucks with top-mounted rear overload springs
• Requires frame bracket modification during installation
• Coil spring compressor required for safe disassembly
• Factory 17-18" wheels cannot be reused
• Stock 20" wheels can fit up to 37" tires
• Some minor trimming may be required for fitment
• Carrier bearing drop kit needed for two-piece driveshafts
• 4WD highway use may cause front driveline vibration
• Dual Cardan front driveshaft recommended for vibration issues
• Do not increase preload on FOX coilovers
• Special GM torsion bar tool (#CH48809) required