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★★★★★ 4.9 (625 Google reviews) · Marietta shop · 📞 (678) 400-6467 · 🗺️ Get Directions · Live From The Shop
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Rough Country · Authorized Dealer

6 Inch Lift Kit | Rear Springs | M1 | Ford F-250/f-350 Super Duty 4wd (1999)

Part #: 49240UPC: 840269917493Brand: Rough Country

$1,639.95

Price does not include installation.

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*Estimated lease-to-own payment. Final approval and terms are determined by the lender. See all financing options →

🛠️ Install available in Marietta, GA

Installed and serviced at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Call (678) 400-6467 to schedule.

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Built for Ford Super Duty owners who want more ground clearance and a level stance without major fabrication — this 6-inch lift kit raises the rear suspension to match the front, giving you the aggressive profile and tire clearance you're after. The kit ships with application-valved M1 monotube shocks tuned for balanced on and off-road performance, plus new leaf springs and all hardware needed for a bolt-on install.

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

What's included

  • 6-inch front leaf springs — pair of progressive-rate springs engineered for Ford Super Duty 1999–2004 models.
  • 6-inch rear leaf springs — pair of rear springs for Ford F-250/F-350 Super Duty 4WD (1999–2007), matched to the front height for a level ride.
  • M1 monotube shock absorbers — two pairs of application-valved shocks tuned for balanced performance both on highway and off-road terrain.
  • Pitman arm — steering component for Ford Super Duty, maintains proper geometry after lift installation.
  • Universal U-bolt kit — hardware to secure springs to axles.
  • Complete fastener set — all bolts, brackets, and hardware needed for bolt-on installation.

Important notes

  • Does NOT fit V-8 gas engine models — verify your engine type before ordering.
  • Does NOT fit dually models.
  • Does NOT fit trucks with a production date on or after March 1, 1999. Confirm your VIN build date with our team.
  • If your truck is equipped with a 2-piece rear driveshaft, a carrier bearing drop bracket (#1197) is required separately — ask us about availability when you call.

Why customers pick this at Road Runner

  • Rough Country lifetime warranty backed by local expertise — we stand behind every install.
  • Professional installation by technicians who perform these lifts weekly — geometry set to factory specs, no guesswork.
  • Alignment performed in-house as part of every lift install — your steering and tire wear are dialed in before you leave.
  • One-stop shop — wheels, tires, and suspension all handled locally, no shipping delays.

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

QtyPartPart #
1KIT BOX FOR 493S1493
1Pitman Arm | Ford Bronco/F-250 Super Duty/F-350 Super Duty 4WD6601
1M1 MONOTUBE SHOCK PAIR770762P
1M1 MONOTUBE SHOCK PAIR770791P
1Universal U-Bolt Kit7617
26in FR Leaf Spr | Ford Super Duty (99-04)8061V
26in Rear Leaf Spring | Ford F-250/F-350 Super Duty 4WD (1999-2007)8071

Features

  • Easy bolt-on installation
  • Increased ground clearance
  • Levels the front with the rear of the vehicle
  • Includes application valved M1 series shock absorbers which offer the best in balanced performance for on and off-road use.
YearsMakeModelDrive
1999FordF-250 Super Duty Lariat4WD
1999FordF-250 Super Duty XL4WD
1999FordF-250 Super Duty XLT4WD
1999FordF-350 Super Duty Lariat4WD
1999FordF-350 Super Duty XL4WD
1999FordF-350 Super Duty XLT4WD
  • Tire size: 35″ to 37″ tall
  • Lift height: 6″
Does NOT fit V-8 gas engine models. Does NOT fit dually models. Does NOT fit models with a production date on or after 3-1-1999 A carrier bearing drop bracket is needed for trucks equipped with a 2-piece rear driveshaft. (#1197)

Rough Country Lifetime Replacement Warranty covers all structural components against defects in materials and workmanship for the original purchaser's lifetime ownership of the vehicle.

3-Year Finish Warranty on all painted and powder-coated surfaces.

3-Year Shock Warranty on N3, M1, and Vertex shocks against leakage and structural failure.

Warranty service is handled by Rough Country directly — call (678) 400-6467 if you need help opening a warranty claim and we'll walk you through it.