BDS1521H | BDS Suspension 4 Inch Lift Kit With Radius Arm For Ford F-250 / F-350 Super Duty 4WD | 2017-2019 | Gas, 5 Inch Block With 2 Leaf Main, NX2 Nitro Series Shocks

Rear Lift Option

5 Inch Block

Some F250/350 factory options increase the main leaf pack count from 2 to 3 leaf's (this is for top overload options only). Be sure to verify which factory leaf spring configuration your vehicle has and choose the appropriate option.

Leaf Springs

• Reduces axle wrap and creates a more controlled and stable feel
• Multi-leaf progressive design for smooth ride
• Maintains factory payload weight ratings
• Anti-friction pads provide a smooth and quiet ride

Shock Option

NX2 Nitro Series

• Nitrogen-charged
• Twin-tube design
• 10-stage velocity-sensitive valving
• Dual-welded ends for increased strength
• 1-3/8-inch high-flow piston
• Self-lubricating seals
• Silver powder coat finish

FOX 2.0 Performance Series

• 2-inch Impact extruded aluminum body
• Internal floating piston (IFP) monotube design
• CNC machined 6061-T6 aluminum mounting ends
• Massive 5/8-inch hard chrome plated heat-treated alloy steel shaft
• Race-developed high-flow piston design
• Application-specific valving to maximize performance
• Long-lasting clear anodized finish

FOX 2.5 Performance Elite Series

• Increased off-road capabilities
• Easily adjust your shock for terrain, load and speed
• 2.5-inch Impact extruded aluminum body
• Massive 7/8-inch hard chrome plated heat-treated alloy steel shaft
• External reservoir design separates shock oil from the high-pressure nitrogen
• DSC - Dual Speed Compression Adjuster comes standard
• Fully serviceable for a lifetime of use
• 1-year Manufacturer's Warranty

Important Notes

1. Front exhaust modification may be required to clear front drive shaft
2. If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (BDS123402)
3. 37 x 12.50 tires may require minor trimming.
4. Some models may be factory equipped with a 2-leaf main rear leaf spring pack and others a 3-leaf main. Be sure to order the correct option when customizing your kit.

Installation 

Specialty Tools Needed :

Torque Wrench, Pitman Arm Puller

Specification