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★★★★★ 4.9 (618 Google reviews) · Marietta shop · 📞 (678) 400-6467 · 🗺️ Get Directions · Live From The Shop
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Rough Country · Authorized Dealer

1 Inch Block & U-bolt Kit | Ford F-150 2wd/4wd (1997-2003)

Part #: 6581UPC: 843030112301Brand: Rough Country

$79.95

Price does not include installation.

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Final approval and terms are determined by the lender. All payment 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 F-150 owners who want to restore ride height and correct rear suspension sag, this 1-inch block and u-bolt kit lifts the rear of your truck while preserving driveline geometry. The tapered fiberglass-reinforced nylon blocks and e-coated steel u-bolts work together to support up to 32"–33" tires with correct suspension angles.

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

What's included

  • Fiberglass-reinforced nylon blocks — tapered design reduces driveshaft angle and resists the cracking and wear of traditional cast blocks. Two blocks per kit, 2.5 inches wide, single 9/16-inch pin.
  • E-coated steel u-bolts — 9/16-inch thread size, 3.25-inch inside width, 10.5-inch inside length, round style. Corrosion-resistant finish ensures long-term durability in any climate.

Why customers pick this at Road Runner

  • Rough Country lifetime warranty backed locally — no mail-in claims.
  • Quick install — most jobs completed the same day.
  • Tapered block geometry corrects driveline angles and prevents U-joint wear.
  • Professional alignment performed in-house as part of every suspension upgrade.

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

Features

  • Blocks
  • Made of fiberglass reinforced nylon for superior strength and durability.
  • Tapered to reduce drive shaft angle.
  • Single 9/16-inch pin blocks.
  • 2.5-inches wide.
  • U-bolts
  • Thread Size: 9/16-inch
  • Inside Width: 3.25-inch
  • Inside Length: 10.5-inch
  • Style: Round
  • E-coated black
  • Corrosion resistant
YearsMakeModelDrive
1997-2000FordF-150 Base4WD
1997-2000FordF-150 BaseRWD
1997-2003FordF-150 Lariat4WD
1997-2003FordF-150 LariatRWD
1997-2003FordF-150 XL4WD
1997-2003FordF-150 XLRWD
1997-2003FordF-150 XLT4WD
1997-2003FordF-150 XLTRWD
1999-2003FordF-150 LightningRWD
2000-2003FordF-150 Harley-Davidson EditionRWD
2001-2003FordF-150 King Ranch4WD
2001-2003FordF-150 King RanchRWD
  • Tire size: 32″ to 33″ tall
  • Lift height: 1″
  • Install time: 2 - 3 hours Installed in-house at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Alignment performed in-house as part of every lift install. Call (678) 400-6467 to schedule.

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.