Configured with FOX 2.5 Performance Elite shocks with DSC (Dual Speed Compression Adjuster). Features a 2.5-inch impact extruded aluminum body, a massive 7/8-inch hard chrome plated heat-treated alloy steel shaft, an external reservoir design that separates shock oil from high-pressure nitrogen, and is fully serviceable for a lifetime of use. Includes a 1-year Manufacturer's Warranty.
Overview
The BDS 4-inch Radius Arm Suspension Lift Kit is engineered exclusively for 2025–2026 RAM 2500 trucks with diesel engines. This kit lifts the front 4 inches and the rear 2.5 inches, delivering a leveled, aggressive stance with enhanced off-road capability and on-road comfort. It features heavy-duty tubular BDS Radius Arms, diesel-specific Pro-Ride coil springs, a forged pitman arm, and your choice of high-performance shock absorbers. Designed for standard travel, this system does not require a transfer case indexing ring or crossmember, simplifying the installation process. Backed by the BDS No Fine Print Warranty—if you break it, BDS will replace it, no questions asked.
Features
- 4-Inch Front / 2.5-Inch Rear Lift: Provides a leveled stance and superior off-road performance for 2025–2026 RAM 2500 diesel trucks.
- Heavy-Duty Tubular Radius Arms: High-strength tubular radius arms mount into the factory location, offer caster adjustability for a wide range of lift heights, and use OE-style rubber bushings at the frame mount for smooth, quiet, service-free operation.
- Pro-Ride Coil Springs: Full-length, diesel-specific, progressive-rate coil springs manufactured from high tensile steel with properly sized wire diameter for maximum reliability without premature coil bind.
- Multiple Shock Options: Available with BDS NX2 Nitro Series, FOX 2.0 Performance Series, FOX 2.5 Performance Series HTO, or FOX 2.5 Performance Elite with DSC shocks.
- Simplified Installation: Does not require a transfer case indexing ring or crossmember.
- BDS No Fine Print Warranty: Comprehensive coverage—if you break it, BDS replaces it, no questions asked.
Specifications
- Front Lift Height: 4 inches
- Rear Lift Height: 2.5 inches
- Compatible Vehicles: 2025–2026 RAM 2500 4WD, Diesel engines only
- Radius Arm Construction: High-strength tubular steel
- Radius Arm Bushing: OE-style rubber bushing at frame mount
- Coil Spring Type: Full-length, progressive rate, diesel-specific Pro-Ride
- Coil Spring Material: High tensile steel
- Includes forged pitman arm
Installation
- Estimated Installation Time: 4–5 hours
- Difficulty: Moderate
- Special Tools Required: 8677 Chrysler ball joint separation tool (or equivalent)
Important Notes
- Diesel models only.
- Will not fit air ride equipped models.
- If truck has rear pinion vibration, it may be necessary to add BDS122406 to drop the bearing carrier.
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