Cognito 4.0 Inch Block 16.0 Inch U Bolt Kit Fab/Straight 01-10 Silverado/Sierra 3500/3500HD

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  • Regular price $228.00
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Cognito Fabricated Steel 4 Inch Block and 16 Inch U Bolt Kit (straight) for 01-10 Chevrolet and GMC 3500/3500HD 2WD/4WD single rear wheel with double overload and dually trucks. These fabricated steel blocks are powder coated semi-gloss black. Heavy-duty zinc plated U Bolts and hardware are included. Made in the USA.


  • 4.0 Inch Block and 16.0 Inch U Bolt Kit (GM)
  • Zinc Plated U Bolts
  • U Bolt Shape: Straight
  • Material: Fabricated Steel
  • Color: Semi-Gloss Black
  • Finish: Powdercoat
  • Drive: 2WD/4WD
  • Lift Height: 4.0 Inch
  • U Bolt Size: 16.0 Inch
  • Warranty: Limited Lifetime Warranty
  • Fits: 01-10 Chevrolet/GMC 3500/3500HD 2WD/4WD