2008 Cummins 6" Long Arm BDS Lift Kit (BDS638H)

Take your Cummins to the next level of stance and control of a 4-Link Long-arm suspension while sending it off to the moon with a full 6" of an increased ride height! This suspension system features 6" progressive Pro-Ride Coil Springs and solid steel upper long arms and thick tubular lower long control arms. The long control arm reduces caster change through wheel travel creating a more controlled feeling in the steering wheel both on and off-road.

Part Number: BDS638H

• Solid Steel 6" Upper Long Arms
• Tubular Lower Long Arms
• Forged Drop Pitman Arm
• Track Bar Relocation Brackets
• Extended Bump Stops
• Sway Bar Links
• NX2 Series Shocks
• 6" ProRide Coil Springs
• 4" Rear Block Kit
• Clears 37's

Tire & Wheel Combinations:

• 37" x 12.50" w/ 17 x 9 and 5"

• Measure rear axle tube before placing order. Some models with dual overloads will require p/n 406
• Rear lift options will not fit dually applications.
• If driveline vibration occurs, order 122801 or 122802 transfer case index kit.
• Exhaust modification will be required for dual rear shock kit 12200
• Will not fit Cab and Chassis models
• Although this is pictured with Fox Shocks, this kit will come equipped with BDS Shocks. If you would like fox shocks, please reach out.

• Click Here For Installation Instructions
• Difficulty: 3 (where 1 = easiest and 5 = complicated)

Don't see your question? Ask us anything about this product.