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These fabricated steel blocks are powder coated semi-gloss black. Heavy-duty zinc plated U Bolts and hardware are included. Made in the USA.Details:4.0 Inch Block and 16.0 Inch U Bolt Kit (Silverado/Sierra)Zinc Plated U BoltsU Bolt Shape: TaperedMaterial: Fabricated SteelColor: Semi-Gloss BlackFinish: PowdercoatDrive: 2WD/4WDLift Height: 4.0 InchU Bolt Size: 16.0 InchWarranty: Limited Lifetime Warranty
  • Consult your local laws for compliance
  • Fabricated steel blocks
  • Powder coated semi-gloss black
  • Heavy duty zinc plated u-bolts & hardware
  • (2) 4 tapered steel blocks
  • (4) 16 long u-bolts & hardware
  • Installation time (hours): 2
  • Warranty: cognito limited lifetime warranty, covers material & workmanship defects for original purchaser exclusively (excludes normal wear/ wear items, or abnormal abuse)
  • Specialty tools needed: floor jack, jack stands & standard mechanics tools
  • California residents: prop 65 warning
  • 4 Block & U-bolt Kit (tapered) for 2011-2019 GM 2500HD 2WD / 4WD trucks (16 U-Bolts).



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Cognito Block & U-Bolt Kit

By Cognito Motorsports Truck -



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Disclaimer Final sale clearance item, no refunds or exchanges.

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