Block Kits
Tuff Country is a DPI Offroad Brand. When you buy Tuff Country from DPI Offroad, you are buying direct from the manufacturer.

Block Kits

Tuff Country Block and Unbolt Kitsand include lift blocks and U-bolts designedand to raise the rear of your truck or SUV. Installation is done by inserting the cast lift blocks between the factory rear leaf springs and axle. Extended Zinc-plated rear U-bolts designed specifically for each vehicle are use to replace the factory ubolts.

  • Economical lift for rear of trucks
  • Maintains a factory ride
  • Zinc Plated U-bolts
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  • Ford 10.5 Inch 37 Spline 3.73 Ratio Ring And Pinion 11+ Superduty Rear Nitro Gear and Axle
    Nitro Gear & Axle F105-373-37-NG
    $475.00
  • Ford 10.5 Inch 4.10 Ratio 11-15 Ford F-250/F-350 Super Duty Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle F105-410-37-NG
    $475.00
  • Ford 10.5 Inch 4.30 Ratio Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle F105-430-37-NG
    $475.00
  • Nitro Ring & Pinion Ford 10.5", 4.56 Ratio Ford Superduty 2011 & Newer
    Nitro Gear & Axle F105-456-37-NG
    $525.00
  • Ford 10.5 Inch 4.88 Ratio 11-15 Ford F-250/F-350 Super Duty Ring And Pinion Nitro Gear and Axle
    Nitro Gear & Axle F105-488-37-NG
    $458.00

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