6 Inch Lift Kit | Long Arm | Dodge Ram 2500 (09-13)/Ram 3500 (09-12) 4WD | Diesel

Built for diesel Ram owners who want 6 inches of lift without losing ride quality or driveline geometry. This long-arm BDS kit preserves factory caster angles and keeps your driveshaft angles correct — no binding, no vibration, no premature wear. Choose between budget-friendly block axles or premium leaf-spring setups, paired with your choice of NX2 Nitro or FOX 2.0 shocks.

Installed and serviced at Road Runner Wheels & Tires. Most kits go in the same day. Call (678) 400-6467 to schedule.

What you get up front

• Long-arm upper control arms — corrected geometry keeps caster in spec and maintains proper suspension travel without binding or clunking.
• Front coil springs — engineered for the weight of diesel engines and rated payload.
• Stabilizer bar links — extended to match your new ride height.
• Bump stops and brackets — prevent axle from over-traveling and hitting frame.

Out back

Your choice of either 3½-inch or 4-inch rear axles. Block kits use stacked blocks under leaf springs for a budget-friendly approach. Leaf-spring kits replace the factory springs entirely with heavy-duty units rated for diesel torque — the premium choice for serious off-road and towing work.

Pick your shocks

• BDS NX2 Nitro — smooth, durable, tuned for daily driving and light off-road use. Best value.
• FOX 2.0 Performance Series — fast-reacting dampers with independent adjust for compression and rebound. Superior control over rough terrain and at speed.

Important notes

• This kit fits 2009–2013 Ram 2500 and 2009–2012 Ram 3500 4WD models with diesel engines only.
• Long-arm geometry corrects caster and preserves driveline angles — no transfer-case re-indexing required.
• Verify your wheel backspacing and offset before ordering — larger tires may require spacers or wheel changes depending on final tire size.
• If equipped with factory air suspension, this kit is not compatible — confirm your truck has coil springs front and leaf springs rear.

Why customers pick this at Road Runner

• Long-arm geometry done right — we install these every week and get the caster spot-on.
• Mount and balance available on most trucks — get lifted and rolling fast.
• BDS warranty backed locally — if something goes wrong, you call us, not an 800 number.
• Diesel-rated components throughout — we don't cut corners on truck weight.

Ready to build it? Call (678) 400-6467. Hablamos Español.